How to drink filtered water quickly?

When the filter is dry, place it in drinking water for 1 to 2 minutes or rinse the filter straw under the faucet on the "tip" side until the inside is moist.

How to extend the life of your straw water filter?

We suggest always using the best freshwater source to backwash the straw filter after each use. Note: Be sure to dry it and store it.

Can gravity bags and disposable water bottles be connected?

The straw can not only connect to a disposable water bottle, but also serve as a replacement filter for gravity filtration systems. This also applies to our gravity filter system "B0CN6L5KLT".

Does it work with seawater?

No, it's more ideal for lakes, rivers, ponds, snow water, streams, etc. Municipal water filtration also works well.

What is its shelf life?

Our personal filter straw will last indefinitely if not used and stored in a protected environment at moderate temperature and humidity.

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Membrane Solutions Personal Water Filter Straw Survival S1, Blue, 4 Pack

Product ID: 745646786

Details

Brand
Membrane
Capacity
5280 gallons
Included components
4 x outdoor
Installation type
Personal
Material
Acrylonitrile
Maximum flow rate
500 Per Minute

⚡500 ml/min fast flow rate

💧0.1 micron ultra filtration

♻️1320 gal reusable lifespan

S$104

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Description

💧 Sip Smart, Stay Ahead: The Ultimate Survival Straw for Millennial Trailblazers

RAPID HYDRATION ON THE GO - Enjoy clean water at a swift 500 ml/min flow rate, perfect for active lifestyles and urgent hydration.
CERTIFIED SAFETY ASSURANCE - NSF/ANSI 42, 372, 401 certified for chlorine, lead-free materials, and emerging contaminant removal—trusted by adventurers worldwide.
COMPACT VERSATILE DESIGN - Lightweight (2 oz), portable (7.1" length), and compatible with bottles, pouches, and gravity systems for seamless outdoor use.
PRECISION FILTRATION POWER - Removes 99.9999% of E.coli & contaminants with 0.1 micron pore size—50% finer than competitors.
ENDURANCE MEETS SUSTAINABILITY - Filters up to 1,320 gallons (5,000 liters), replacing 10,000 plastic bottles—eco-friendly and wallet-wise.

The Membrane Solutions Personal Water Filter Straw S1 is a compact, NSF-certified ultra-filtration device that removes 99.9999% of harmful bacteria and contaminants with a 0.1 micron pore size. Delivering a rapid 500 ml/min flow rate and a reusable lifespan of up to 1,320 gallons, it’s engineered for hiking, camping, travel, and emergency preparedness. Lightweight and versatile, it connects easily to various water containers, ensuring safe hydration anywhere while reducing plastic waste.

Specifications

ASIN	B0FG7MPWPG
Best Sellers Rank	21 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 1 in Camping Water Filters
Brand	Membrane Solutions
Capacity	5280 gallons
Country Of Origin	China
Customer Reviews	4.6 4.6 out of 5 stars (13,330)
Included Components	4 x outdoor water filters, breakaway lanyard, user manual
Installation Type	Personal Container
Item Dimensions L x W x H	25L x 25W x 170H millimetres
Item Highlight	NSF/ANSI 42&372&401 Certified, 1320 Gal Capacity, 0.1 Micron, Removes 99.9999% E.coli, for Camping, Hiking, Travel, Emergency
Manufacturer	Membrane Solutions
Manufacturer Part Number	S1
Material Type	Acrylonitrile Butadiene Styrene
Maximum Flow Rate	500 Millilitres Per Minute
Number of Items	4
Number of Packs	4
Other Special Features of the Product	Lightweight, Personal Water Filter for Hiking, Portable
Purification Method	Hollow Fibre Membrane, Ultra Filtration
UPC	850071881561
Unit Count	4.0 count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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S$104

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to SINGAPORE.

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TrustScore 4.5 | 7,300+ reviews

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