Emergency Water Purifiers for Bulk Procurement

Emergency water purifiers support portable water-filtration tasks when fixed supply is temporarily unavailable. Available models include foldable containers with drinking spouts, hand-pump units and portable products using membrane components or multiple filtration stages.

Do not compare these products by stage count or appearance alone. State the source water, intended treated-water use, required output per site and acceptable operating method first. The supplier must then explain what the selected model can and cannot address through its records, sample and applicable test documents.

Note: Below parameters are standard reference values per our current production specs, custom requirements are adjustable; all filtration performance applies to relatively clear fresh water under standard test conditions, actual performance varies with source water quality.

Flood / Earthquake Mass Disaster Relief

Recommended product: Heavy duty ABS hand pump purifier, for small group use at relief points.

Standard parameters: ABS shell, food grade silicone seals, 0.01μm hollow fiber membrane + activated carbon block; size ~18×8×6cm, weight ~450g; hand pump flow ~500-1000ml per minute depending on pumping speed; cartridge life rated ~8000L on clear tap water, turbid flood water reduces life by 50-70% depending on sediment; includes 1m inlet + 1m outlet hose, inlet pre-filter head, carry bag, can connect to standard water bladders; per standard lab test removes 99.99% of tested bacteria, 99.9% of tested protozoa, sediment and odor; 20 units per standard export carton, carton size 50×40×35cm, gross weight ~11kg.

Procurement note: For central relief points, medical triage, small team base camps, supplies 3-5 people for emergency drinking use; pre-filter included to extend membrane life in turbid water. Heavily silty flood water must first be settled for 30+ minutes and pre-filtered through cloth before use, otherwise membrane will clog rapidly.

Individual Patrol / Personal Emergency Kit

Recommended product: Compact straw filter or mini pump, for personal carry.

Straw parameters: Food grade ABS shell, 4-stage filtration (PP cotton + activated carbon + ion exchange + 0.01μm hollow fiber); size ~16×3cm, weight ~60g; flow ~300ml per minute by sipping; cartridge life rated ~1000L on clear water; food grade silicone mouthpiece, no hard plastic taste; removes 99.99% tested bacteria, 99.9% tested protozoa, sediment and bad taste; individual pack, 200 units per carton, gross weight ~14kg.

Mini pump parameters: Model JS-01, size 13.7×3.8×8.4cm, weight ~200g; 0.01μm hollow fiber + activated carbon fiber; flow ~300-500ml per minute; rated life ~5000L clear water; optional inlet pre-filter available; 50 units per carton, gross weight ~12kg.

Procurement note: For police patrol, search and rescue, individual survival kits, vehicle emergency packs; light weight, no power needed, fits in pocket or pack. Below 0℃ do not put mouth directly on hard plastic/metal parts to avoid skin sticking.

Shelter / Evacuation Center Daily Use

Recommended product: Tritan bottle with integrated filter, for repeated daily use.

Standard parameters: 550ml Tritan copolyester bottle, BPA free, integrated 0.01μm permanently hydrophilic hollow fiber + activated carbon filter; size ~22×7cm, weight ~220g; includes paracord carabiner; flow ~300ml per minute; rated cartridge life ~1500L clear water; removes bacteria, protozoa, sediment and chlorine taste; individual color box, 50 units per carton, gross weight ~13kg.

Procurement note: For evacuation centers, temporary schools, on-site teams; works as regular water bottle with built-in filter, durable for repeated daily use. Integrated sealed unit, no user serviceable parts inside.

Assess Source-Water Risk Before Selecting a Product

Clear-looking water is not automatically suitable for drinking. Sediment, microorganisms, salinity, chemical contaminants and other risks require different treatment methods. A portable filter must not be treated as suitable for every source without applicable evidence.

• Identify the source: surface water, well water, temporary storage, backup water after a supply disruption or another source.
• Describe known risks: turbidity, odour, salinity, possible agricultural or industrial contamination and any available water analysis.
• Define the treated-water use: drinking, cleaning or another purpose; one unverified conclusion cannot cover every use.
• Confirm other treatment: whether settling, prefiltration, disinfection, boiling or another device is also required by the project.

Compare 3 Portable Formats by Operating Method

Foldable Container with Drinking Spout

This route suits projects that prioritize compact packing and portable allocation. Confirm the container, filter component, spout, connections, filled operation and cleaning and drying steps. A foldable container alone does not demonstrate filtration performance.

Hand-Pump Unit

Water is drawn and filtered by manual pushing or pumping. Confirm operating force, each use step, inlet and outlet hoses, pump stability, cleaning method and whether users can sustain the planned output.

Membrane or Multi-Stage Unit

Available models include hollow-fibre, ultrafiltration-membrane and multi-stage structures. Define each stage's actual component, function, replaceability and supporting documents. "4-stage" or "5-stage" wording is not a substitute for verified performance.

Lock 9 Procurement Fields Before Quotation

Decision field	Buyer input	Supplier confirmation
Source-water condition	Source, known risks and available analysis	Selected-model boundary and explicit exclusions
Product format	Personal carry, household/group use or site allocation	Pump, foldable or membrane format and complete supplied scope
Treatment objective	Treated-water use and project acceptance basis	Applicable test method, report and model identity
Planned output	Daily requirement per person, group or site	Model-specific tested flow or output evidence
Operating method	Available personnel, use frequency and environment	Pumping, squeezing, gravity or other operating steps
Cartridges and consumables	Project duration, spares and replenishment access	Cartridge model, end-of-life basis, replacement and supply
Maintenance and storage	Cleaning water, drying, storage temperature and reserve period	Flushing, backwashing, emptying, drying, storage restrictions and restart method
Packing and marking	Allocation by person, kit or site	BOM, instructions, batch, labels and packing list
Acceptance basis	Sampling, document and functional-test requirements	Approved sample, written specification, reports and contract
Filtration rating	0.01μm nominal, tested for bacteria/protozoa	Not tested/rated for viruses, heavy metals, salt, chemicals
Material safety	All wetted parts food grade BPA free	Food contact test report available per request

Quick Model Selection by Project

Match your project type directly to the recommended model, no need to compare all specs line by line:

✅ Mass household distribution / humanitarian donation

Recommended: Foldable TPU squeeze bag (500/1000ml) Lowest cost, lightest, easiest to air freight and hand out; no moving parts, 5 year dry shelf life for stockpiles; standard for 1000+ unit bulk orders.

✅ Individual patrol / personal survival kit / vehicle pack

Recommended: 4-stage straw filter or mini hand pump JS-01 Ultra light 60g/200g, fits pocket/pouch; straw for no-pump sipping, mini pump for faster flow; for police, search and rescue, border patrol, in-car emergency kits.

✅ Small relief point / medical triage / 3-5 person team

Recommended: Heavy duty ABS hand pump Highest flow 500-1000ml/min, includes pre-filter for turbid flood water, 8000L rated life; for base camps, small medical points, forward operating teams.

✅ Evacuation center / temporary school / daily repeated use

Recommended: Tritan bottle integrated filter Works as regular durable water bottle, 1500L rated life, easy to clean and reuse daily; for shelters where users keep the same bottle for weeks or months.

Standard Packing & Container Loading Reference

All units come standard with English instruction manual; custom packaging and multi-language manuals available for bulk orders. Loading counts below are for standard export cartons, for reference only, final count based on final confirmed packing.

Heavy duty hand pump

Standard set includes: Pump body with integrated filter, 1m inlet hose with pre-filter, 1m outlet hose, carry bag, English manual

Carton: 20 units/carton, carton size 50×40×35cm, gross weight ~11kg

Container load (reference): 20ft GP ~420 cartons (8,400 units); 40ft HQ ~1000 cartons (20,000 units)

Mini hand pump JS-01

Standard set includes: Pump body with integrated filter, outlet straw, English manual; pre-filter optional add-on

Carton: 50 units/carton, carton size 45×35×30cm, gross weight ~12kg

Container load (reference): 20ft GP ~650 cartons (32,500 units); 40ft HQ ~1550 cartons (77,500 units

4-stage straw filter

Standard set includes: Filter straw with silicone mouthpiece, individual OPP bag, English manual

Carton: 200 units/carton, carton size 50×40×30cm, gross weight ~14kg

Container load (reference): 20ft GP ~580 cartons (116,000 units); 40ft HQ ~1400 cartons (280,000 units)

Foldable TPU squeeze bag

Standard set includes: TPU bottle with integrated filter, silicone spout, cap, individual OPP bag, English manual

Carton: 100 units/carton, carton size 40×30×25cm, gross weight ~12kg

Container load (reference): 20ft GP ~900 cartons (90,000 units); 40ft HQ ~2200 cartons (220,000 units)

Tritan bottle filter

Standard set includes: Tritan bottle with integrated filter, cap, paracord carabiner, individual color box, English manual

Carton: 50 units/carton, carton size 55×40×35cm, gross weight ~13kg

Container load (reference): 20ft GP ~400 cartons (20,000 units); 40ft HQ ~950 cartons (47,500 units)

YRF Standard Export Grade vs Market Low Cost Units

We do not compete on lowest possible price; below is the direct difference between our standard export units and common low cost market units, so you can select per your project requirements:

Membrane performance

YRF Standard: Full count 0.01μm permanently hydrophilic hollow fiber, works immediately after dry storage, no pre-soaking required, consistent flow rate.

Low cost units: Reduced fiber count, non-hydrophilic membrane, requires pre-soaking after drying, clogs quickly, flow drops sharply after first few uses.

Material safety

YRF Standard: All wetted parts virgin food grade BPA-free material, no harsh chemical odor; food contact test report available per request.

Low cost units: Recycled plastic for wetted parts, strong chemical odor, no food contact testing, risk of BPA or heavy metal leaching.

Pump & seals

YRF Standard: Food grade silicone O-rings + silicone one-way check valve, sample tested 1000+ pumps no air leak, no dirty water backflow into clean side.

Low cost units: Cheap rubber seals, no check valve, develops air leaks after 50-100 pumps, dirty water flows back and contaminates filtered water.

Carbon filtration

YRF Standard: Sealed carbon block / carbon fiber, only trace carbon dust on first 30 second flush, no ongoing carbon release into water.

Low cost units: Loose granular carbon, continuous black carbon particles in water, inconsistent odor removal.

Hoses & cold resistance

YRF Standard: Food grade silicone hoses, remain flexible down to -10℃, no cracking in cold weather.

Low cost units: Hard PVC hoses, become brittle and crack below 0℃, leak after one freeze cycle.

Quality control & traceability

YRF Standard: All pump units 100% flow tested before packing, other units tested per AQL 2.5 sampling; 3 year batch sample retention for full traceability.

Low cost units: No pre-shipment function testing, no batch numbers, no traceability if defects appear.

Expected Cartridge Life Reference by Source Water

All rated life values are for clear tap water per standard lab test; actual life varies significantly based on source water turbidity. Below is real world reference for project stock planning:

Clear tap / clear mountain stream: Heavy pump ~8000L | Mini pump ~5000L | Straw ~1000L | TPU bag / Tritan bottle ~1500L

Slightly turbid river water (no visible sediment): Heavy pump ~3000L | Mini pump ~2000L | Straw ~400L | TPU bag / Tritan bottle ~600L

Flood water, settled & pre-filtered through cloth: Heavy pump ~800L | Mini pump ~500L | Straw ~150L | TPU bag / Tritan bottle ~200L

Heavily silty/muddy water, not pre-filtered: Not recommended, will clog cartridge in under 50L and may permanently damage membrane.

For flood response projects we recommend stocking 200-300% more replacement cartridges than you would for clear water use, to account for higher turbidity.

Spare Parts & Accessories

All spare parts are available as separate line items for bulk orders, MOQ applies. We recommend stocking 10-20% spare parts for large projects to cover normal loss and wear:

• Replacement cartridges: All models available, MOQ 50 units, model specific; always order by original model number to ensure compatibility
• Silicone O-ring seal kits: For hand pump models, MOQ 100 sets, recommend 1 set per 10 pumps as standard wear parts
• Replacement silicone mouthpieces: For straw and TPU bag models, MOQ 100 units, food grade replacement
• Inlet hose + pre-filter assemblies: For hand pump models, MOQ 50 sets, 1m food grade silicone hose with reusable mesh pre-filter
• Replacement carry bags: For pump models, MOQ 100 units, 600D Oxford cloth drawstring bags

Portable Water Purifier Specific Procurement Risks & Our Controls

• False filtration rating: Cheap units claim 0.0001μm or guaranteed virus removal, but use low grade membrane that only filters to ~0.1μm; our units use standard 0.01μm permanently hydrophilic hollow fiber, tested 99.99% E. coli removal per standard lab test, we clearly state we do not test or rate for virus/heavy metal/salt removal.
• Exaggerated cartridge life: Cheap units claim 50,000-100,000L life, but clog after a few hundred liters in turbid water; our life ratings are for clear tap water under standard test, we clearly state turbid/silty water reduces life by 50-70%, pre-filtering is required for non-clear water.
• Recycled smelly plastic: Cheap units use recycled ABS/TPU with strong chemical odor, not food safe; all our wetted parts use virgin food grade BPA-free material, no harsh chemical smell; slight new plastic odor is normal and flushes out on first use. Non-contact outer housing may contain standard recycled material per production.
• Insufficient membrane fibers: Cheap units put too few hollow fibers inside, leading to slow flow and fast clogging; we use full count membrane bundles, flow rates tested per model per AQL sampling.
• Loose carbon leaks black water: Cheap activated carbon is not properly sealed, heavy carbon particles come out in water; we use sealed carbon blocks/carbon fiber, trace fine carbon dust may appear on first 30 seconds of use, this is normal and flushes clear, no ongoing heavy carbon release.
• Pump seals fail / backflow: Cheap hand pumps have bad seals that leak air and stop pumping after a few uses, or dirty water flows back into clean side; we use food grade silicone seals and silicone one-way check valves, factory sample tested minimum 1000 pump cycles no air leak or backflow.
• Non-hydrophilic membrane fails after drying: Cheap untreated membrane becomes hydrophobic after drying, will not pass water without pre-soaking; our membrane is permanently hydrophilic treated, works normally even after long term dry storage, no pre-soaking required.
• Missing or low quality pre-filter: Cheap units have no pre-filter or thin foam pre-filter, mud clogs the membrane immediately; our heavy duty pump includes reusable mesh pre-filter, mini pump pre-filter available as add-on, we always recommend settling and cloth pre-filter for turbid water.
• Thin hoses crack in cold: Cheap hoses are hard PVC that cracks and goes brittle in cold; our standard food grade silicone inlet/outlet hoses remain flexible down to -10℃, avoid repeated sharp bending in freezing weather.
• Stripped filter cap threads: Cheap units have thin plastic threads that strip when opening for cleaning; our caps have deep Acme threads, repeated opening/closing no stripping under normal use.

• Hard mouthpiece discomfort: Cheap straw units use hard plastic mouthpieces that are uncomfortable to use and stick to lips in cold; our straw models use soft food grade silicone mouthpieces.
• No backwash instruction/ability: Cheap units clog and cannot be cleaned, or have no backwash instruction; all our pump and straw models support backwashing with clean water to extend life, clear instructions included; integrated bag/bottle units are sealed and not user serviceable.
• Missing or wrong instructions: Cheap units come with no or only Chinese instructions, users do not know to first flush or backwash; we provide English instructions by default, multi-language available for custom orders.
• Leaking connections: Cheap hose connections leak when pumping; all our connections are barbed and pressure tested per sampling, no leaks under normal pumping pressure.

Treatment Boundaries & Safety Red Lines (Acceptance & Use Limits)
All units use 0.01μm food grade hollow fiber membrane, all wetted parts BPA free per food contact standards; pump models are 100% flow tested before packing, straw/bottle/bag models batch tested per AQL 2.5.

What these units are tested to remove from relatively clear fresh water: 99.99% of common tested waterborne bacteria (E. coli, Salmonella, etc.), 99.9% of tested protozoan cysts (Giardia, Cryptosporidium), sediment, rust, bad odor and chlorine taste, when used correctly per instructions.

What these units are NOT designed or tested to remove: Viruses (no virus removal claim made; 0.01μm membrane may retain some larger viruses but this is not tested or guaranteed, use additional chemical disinfection for virus risk), dissolved heavy metals, salt/sea water, agricultural/industrial chemicals, pesticides, petroleum products, radioactive contaminants, dissolved toxins, urine, blood or oily waste. For these risks additional treatment (reverse osmosis, distillation, appropriate chemical treatment) is required.

Use limits and safety notes: Do not use with water over 45℃, hot water permanently damages membrane fibers; always fully drain all water after use in cold conditions, as ice expansion can rupture membrane fibers — proper draining greatly extends product life; do not directly filter heavily muddy/silty water, first settle 30+ minutes and pre-filter through cloth; first use run water through for 30 seconds to flush storage solution and trace carbon dust; after use backwash (pump/straw models only), empty all water and air dry completely before storage in a ventilated place, do not store wet in sealed bag as mold may grow; do not clean cartridges with soap, detergent, alcohol, bleach or boiling water, only clean with clean filtered water; do not disassemble integrated sealed cartridges, breakage of seal causes leakage; do not submerge the clean water outlet in dirty water; for infant drinking, we recommend boiling filtered water as an extra precaution; cartridges are consumable items, replace when flow drops below 50% of normal or after rated life, whichever comes first; this is an emergency outdoor product, not a permanent replacement for municipally treated potable water.

Common Procurement Term Explanation

0.01 micron (μm) nominal filtration: Nominal pore size rating, tested to remove bacteria (~0.5μm) and protozoa (~1μm+); not rated for virus removal, does not remove dissolved substances.

Hollow fiber membrane: Bundle of tiny hollow polymer fibers with microscopic pores, water passes through pores while contaminants are trapped on the outside; standard for portable emergency purifiers. Our membrane is permanently hydrophilic treated for consistent flow after dry storage.

Backwashing: Flowing clean water backwards through the membrane to dislodge trapped sediment, extending cartridge life; available on pump and straw models only, not on sealed integrated bag/bottle units.

Cartridge rated life: Tested volume of clear tap water the filter can process before flow becomes too slow; actual life varies significantly with source water turbidity, turbid water reduces life substantially.

BPA Free: All parts in contact with drinking water do not contain Bisphenol A, meet standard food contact material requirements; test reports available per request.

Separate Filters, Purifiers and Complete Water-Treatment Systems

A filter may describe one component or filtration task. A purifier is a product label, but its treatment boundary still requires model-specific test documents. A complete water-treatment system may also include pretreatment, disinfection, storage, transfer or other stages. A portable product is not a complete system merely because the wording is similar.

"4-stage filtration," "5-stage filtration," "hollow-fibre membrane" or a stated filtration rating identifies a structure or parameter that needs further explanation. Check the test target, method, test conditions, report date, sample model and limitations.

The report must match the selected model. R    esults from another cartridge, structure or laboratory sample cannot replace the current bulk product, and one model's result cannot be extended to every product.

Compare Portable Purifier Models for the Project

• Portable hollow-fibre membrane mini pump model: compact personal pump, ~5000L rated clear water life, for individual carry.
• Foldable container and spout model: TPU soft squeeze bottle, light weight for mass distribution.
• Portable 4-stage straw model: ultra light straw filter, for personal survival kits.
• Heavy duty hand-pump filter model: high flow group pump, ~8000L rated clear water life, for small relief points.
• Foldable TPU portable model: larger capacity soft bottle, for household distribution.
• Tritan bottle filter model: integrated bottle for daily repeated use at shelters.

When comparing these models, do not transfer performance wording from a product name directly into the procurement specification. Material, filtration rating, stage count, capacity, output and source-water suitability require model-level verification.

Test the Full Use Cycle with the Sample

1. Unpack against the BOM and check the body, cartridge, hoses, container, outlet and agreed accessories.

1. Complete assembly and first flush per instructions, recording tool and water requirements; note initial carbon dust is normal.
2. Use project-approved test water and methods to assess operation, flow and planned output. Do not treat sample output as safe drinking water without applicable third party testing.
3. For pump/straw models complete backwashing and check whether the dirty and clean sides are easily confused; do not submerge clean outlet in dirty water.
4. Drain all water, air dry completely and repack the unit, confirming steps for reserve storage or repeated deployment.

Sample fee is quoted separately based on exact model and customization; sample fee and courier cost are prepaid by buyer, sample fee is non-refundable. Preparation time depends on the product and customization.

Plan Cartridge Replenishment and End-of-Life Decisions

Continued operation depends on more than the initial equipment quantity. Confirm when cartridges require cleaning or replacement, how reduced flow or component failure is identified, whether spares can reach the site and whether cartridges from different batches remain compatible.

Plan in this order: determine the treatment requirement for each site; check the selected model's actual output and practical operating hours under the agreed conditions; then allocate units, backup units and cartridges. Difficult source water, short operating windows or limited resupply make an ideal flow figure alone unreliable.

• Estimate units and spare cartridges by users, sites, project duration and source water turbidity; for turbid flood water plan 2-3x more replacement cartridges than clear water use;
• Allocate spare cartridges, cleaning tools and instructions to each use location;

• Use product and cartridge codes for reorders instead of buying visually similar but incompatible consumables;
• Inspect and prepare stored units according to the selected model instructions before reuse, check for mold or damage.

Inspect Documents, Components and Function at Receiving

• Check the product model, batch, BOM, labels, instructions and packing list;
• Confirm that the cartridge or membrane component matches the approved sample and written specification;
• Sample complete sets for assembly, operation, flow and backwashing (pump/straw models);

• Verify that report model, method and result correspond to the procurement requirement;
• Record missing, incorrect, damaged or differently documented items and handle them under the contract.

Exclude Common Mismatches Before Quotation

• Assuming one portable purifier can treat every source water including sea water, chemically contaminated water or urine;
• Comparing stage count without checking each component and actual filtration rating;
• Buying the main unit without spare cartridges, hoses, pre-filters or cleaning tools;
• Using nominal clear water flow/life for turbid flood water without derating;

• Accepting a report that does not match the selected model, cartridge or batch;
• Treating filtration, guaranteed virus removal, desalination and a complete water-treatment system as the same task.

Send an RFQ That Can Be Checked Directly

• Destination country, project type, users, sites and order quantity;
• Source water, available analysis, known risks and treated-water use;
• Preferred format, operating method and planned output per site;
• Required cartridges, containers, hoses, pre-filters and spare consumables;
• Test documents, label language, per-set packing and acceptance requirements;
• Trade term, destination port or delivery point and planned timing.

With complete input, an actionable response should identify the recommended model, supplied components, separately required items, available test documents, sample arrangement, packing, quotation conditions and unresolved questions rather than returning only a unit price.

Continue the Emergency Water and Hygiene Supply List

• Compare Other Emergency Survival and Hygiene Supplies: return to the product-family overview and confirm each category responsibility separately.
• Compare Emergency Portable Washbasins: plan cleaning points separately, including the basin, components, water supply and wastewater handling; a washbasin does not provide purification.
• Compare Emergency Shower Bags: confirm capacity, components and operation separately where portable water storage and delivery are required; a shower bag does not replace water treatment.

Specification, MOQ & Customization

Standard Specifications

All 6 models available as standard: mini hand pump, heavy duty group pump, 4-stage straw, TPU foldable squeeze bag 500/1000ml, Tritan bottle filter; standard colors olive drab, blue, black, orange; pre-production sample confirmed before bulk custom orders.

Customization Options

Custom body color, printed logo on unit/bottle, custom labels, multi-language instruction manuals; custom carton marks; spare cartridges, pre-filters, replacement hoses available as separate line items; can be bundled with water bladders, buckets, or chemical disinfection tablets for complete water kits.

MOQ & Lead Time

Standard stock models MOQ 30 units; custom logo/packaging MOQ 100 units; custom modification MOQ 200 units; special small orders quoted individually.

Sample lead time 1-2 working days for stock samples, 5-7 days for custom printed samples. Bulk lead time 7-15 working days after sample confirmation, exact lead time based on order quantity; standard emergency orders for stock models can be scheduled within 72 hours subject to factory production schedule.

Sample, Certification & Service Policy

Sample policy: We provide free specification sheet, formal quotation and sample application guide. Sample fee is quoted separately based on exact model and customization; sample fee and courier cost are prepaid by buyer, sample fee is non-refundable.

Certification & inspection: Support SGS/BV/Intertek pre-shipment inspection; food contact material and bacteria removal test reports available per project request; third party certification costs are borne by buyer if required. We can produce per project standard and provide test reports, we support custom project marking per requirements.

After-sales: Standard products cover manufacturing defects under normal use; damage from disassembly, use with hot water/chemicals, or failure to drain water before freezing is not covered under manufacturing defect warranty; batch samples retained for 3 years for traceability; stored dry sealed out of sun and freezing, unopened units have 5 year rated shelf life; spare cartridges and parts available for bulk orders.

Emergency Water Purifier Procurement FAQs

1. What information is most important before an RFQ?

Provide the source water, available analysis, treated-water use, users, sites and planned output before selecting a format.

2. Can one purifier treat every river, well or flood-water source?

No. These units are designed for relatively clear fresh water; they do not treat sea water, heavy chemical contamination, and are not tested for virus removal. Heavily silty water requires pre-settling and pre-filtration. Different contamination risks require different treatment, assessed from source-water information and the selected model report.

3. Is filtered water ready to drink directly?

Only when used correctly on relatively clear fresh water contaminated with bacteria/protozoa; it does not make chemically contaminated, salt or virus-contaminated water safe. For infants, highly contaminated water or virus risk, additional boiling or chemical disinfection is recommended.

4. Is 4-stage or 5-stage filtration automatically better?

Stage count alone does not prove performance. Review each component, function, test method and applicable report; a good 2-stage 0.01μm membrane outperforms a cheap 5-stage unit with fake ratings.

5. How should unit and cartridge quantity be calculated?

Use users, sites, project duration, source water turbidity, tested flow, cleaning frequency and necessary spares; for turbid flood water expect 50-70% shorter cartridge life and plan 2-3x more spares than clear water use.

6. Can test reports be provided?

Food contact material and standard bacteria removal test reports for standard models are available per request; confirm the model, sample and test item before using a report as procurement evidence. Special third party testing is paid by buyer.

7. How are sample and courier costs handled?

Sample fee is quoted per model and customization, prepaid by buyer; courier cost is also borne by buyer. Preparation time depends on the product and customization.

8. What determines the quotation?

Model, quantity, cartridges, accessories, packing, documents, trade term and destination affect price. Each quotation states its validity period, normally 30 days.

9. How is lead time confirmed?

Lead time is based on quantity, configuration, consumables, packing and documentation and is written into the quotation or contract.

10. What are the payment terms for customized orders?

Payment accepted by T/T. Standard terms are 30% deposit, balance before shipment; final terms subject to quotation and contract.

11. Can labels, instructions and packing be customized?

They can be assessed for the selected product and order, then locked in the approved sample, label artwork, instructions and packing list.

12. How is the bulk shipment inspected?

Inspect model, components, batch, documents and sampled function (flow, no leaks, backwash works for pump/straw) under the contract; carton count alone is insufficient.

13. Can these filter sea water?

No. None of our portable purifiers remove dissolved salt; reverse osmosis or desalination equipment is required for salt water.

14. Do these remove viruses?

These units are not tested or rated for virus removal, and we make no virus removal claim. For virus risk, use additional EPA registered chemical disinfection (chlorine dioxide tablets) or RO treatment as appropriate.

15. How long do cartridges last in storage?

Unopened cartridges stored dry, sealed, out of direct sun, away from freezing and high heat have a 5 year rated shelf life; once used, backwash, drain and air dry completely, replace when flow drops below half normal.

16. Can they be used in freezing weather?

They can be used in above freezing temperatures; always fully drain all water after use in cold weather, as ice expansion can rupture the hollow fiber membranes. Proper draining after cold weather use prevents freeze damage and greatly extends product life.

17. What trade terms do you support?

Shipment from major ports in China, customer-nominated port supported; EXW/FOB/CIF available, DDP for selected destinations only.

18. Do you supply replacement cartridges?

Yes, replacement cartridges for all models are available as separate line items, use original model numbers for reorders to ensure compatibility.

19. Why is there black water when first used?

Trace fine carbon dust from the activated carbon may come out on first use, this is normal and harmless, run water for 30 seconds and it will run clear. It is not a product defect.

20. Can I clean the cartridge with soap or bleach?

No. Soap, detergent, bleach, alcohol or boiling water will damage the hollow fiber membrane and render the filter ineffective. Only backwash with clean, filtered water.

Submit Your Emergency Water Purifier Requirement

Get full specification sheet, formal quotation and sample application guide within 24 hours.

YRF Textile · 20 Years Emergency Relief Textile & Supply Manufacturer