---
product_id: 140721129
title: "Membrane Solutions Straw Water Filter S1, NSF/ANSI 42&372&401 certificated, Survival Filtration Portable Gear, Emergency Preparedness, Supply for Drinking Hiking Camping Team Family Outing"
brand: "membrane solutions"
price: "262.56 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "Membrane Solutions"
url: https://www.desertcart.tn/products/140721129-membrane-solutions-straw-water-filter-s1-nsf-ansi-42-372
store_origin: TN
region: Tunisia
---

# 500 ml/min fast flow rate 0.1 micron ultra filtration precision 99.9999% pathogen removal certified Membrane Solutions Straw Water Filter S1, NSF/ANSI 42&372&401 certificated, Survival Filtration Portable Gear, Emergency Preparedness, Supply for Drinking Hiking Camping Team Family Outing

**Brand:** membrane solutions
**Price:** 262.56 DT
**Availability:** ✅ In Stock

## Summary

> 💦 Sip Smart, Stay Ready: The Ultimate On-the-Go Water Guardian

## Quick Answers

- **What is this?** Membrane Solutions Straw Water Filter S1, NSF/ANSI 42&372&401 certificated, Survival Filtration Portable Gear, Emergency Preparedness, Supply for Drinking Hiking Camping Team Family Outing by membrane solutions
- **How much does it cost?** 262.56 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/140721129-membrane-solutions-straw-water-filter-s1-nsf-ansi-42-372)

## Best For

- membrane solutions enthusiasts

## Why This Product

- Trusted membrane solutions brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Use Modes:** Compatible with bottles, pouches, and gravity setups—perfect for solo trips or family outings.
- • **5-Stage Advanced Filtration:** Combines activated carbon, hollow fiber membranes & more to remove contaminants while preserving essential minerals.
- • **Massive 1,320 Gallon Lifespan:** Filter up to 5,000 liters of water—your reliable hydration partner for countless adventures.
- • **Ultra-Portable & Lightweight Design:** At just 2 ounces and 7.1 inches, fits any 28mm bottle and slips effortlessly into your gear.
- • **Survival-Grade Triple NSF Certification:** Trust science-backed filtration with NSF/42, 372 & 401 certifications for pure, safe water anywhere.

## Overview

The Membrane Solutions Straw Water Filter S1 is a compact, NSF triple-certified portable water filter that removes 99.9999% of harmful pathogens with a 0.1 micron pore size. Designed for hiking, camping, and emergency use, it delivers up to 500 ml/min flow rate and lasts for 1,320 gallons, ensuring safe, great-tasting water anywhere you go.

## Description

Product description What is the shelf life of it? Our personal water filter straw will be indefinite if unused and stored in a protected environment, moderate temperature, low ozone, etc. What is the shelf life of it? Our personal water filter straw will be indefinite if unused and stored in a protected environment, moderate temperature, low ozone, etc. Can be connected gravity bags and disposable water bottles? Our upgraded straw can not only connect disposable water bottles of 28mm threading as squeezable water filtration system but also as a replacement filter of different gravity systems. Of course, it also applies to our 6L gravity system "B08ZYMXLMH". Can be connected gravity bags and disposable water bottles? Our upgraded straw can not only connect disposable water bottles of 28mm threading as squeezable water filtration system but also as a replacement filter of different gravity systems. Of course, it also applies to our 6L gravity system "B08ZYMXLMH". What is different from the upgrade of the straw water filter and before? The upgrade water filter has a larger filtration capacity of 5,000 L (Can only filter 1,500 liters before), and the water flow rate is getting faster. What is different from the upgrade of the straw water filter and before? The upgrade water filter has a larger filtration capacity of 5,000 L (Can only filter 1,500 liters before), and the water flow rate is getting faster. How to drink filtering water quickly? 1) When Water Filter is dry, stand it up in drinking water for 1-2 mins or rinse the water filter straw under the tap from the "mouthpiece" side, until the inside is wet; 2) After each use, backwash by water, and vertical placement to dry. How to drink filtering water quickly? 1) When Water Filter is dry, stand it up in drinking water for 1-2 mins or rinse the water filter straw under the tap from the "mouthpiece" side, until the inside is wet; 2) After each use, backwash by water, and vertical placement to dry. How to extend the straw water filter lifetime? We suggest that you always use the best fresh water source to backwash the straw filter after each use. Note: Be sure to remember dry then storage and doesn't work for seawater. How to extend the straw water filter lifetime? We suggest that you always use the best fresh water source to backwash the straw filter after each use. Note: Be sure to remember dry then storage and doesn't work for seawater. More Choices Upgrade Filter Straw Gravity Water Filter 6L WS02 Water Filter Straw C3 Filtered Water Bottle Squeezable Filtration Kit U3P Gravity Water System

Review: Great product. Trying for first time. - I gave 5 stars as th a product arrived next day & was packaged very well. I appreciated the fast delivery.
Review: Perfect for being without municipal water or access to a well. - For those that are concerned about water supply, these are a must. Also good for extended stays outdoors, camping, hiking boating and such.

## Features

- Drink Anywhere, Certified by Science - This survival-grade straw filter meets strict NSF/ANSI 42, 372, 401 standards (Test Report: NBF21-004693-01). It instantly removes 99.9999% of total coliforms (including E. coli and other representative organisms). It’s designed for extreme reliability during hiking, camping, international travel, or emergency preparedness—proven by science, trusted by adventurers.
- Triple NSF Certified for Complete Reliability & Superior Taste​​ - Breathe easy with every sip. Our straw is independently certified to ​​NSF/42​​ (for chlorine & taste improvement), ​​NSF/372​​ (lead-free materials), and ​​NSF/401​​ (reducing microplastics and particulate). This triple verification guarantees you get the best-tasting water while ​​keeping​​ metals, microplastics and particulate at bay​​.
- Portable & Long Life-Span - This straw filtration at only 7.1'' long and 1" in diameter fits any 28mm threaded bottle, cup, or glass. It weighs just 2 ounces and fits in the palm of your hand, pocket, gym bag, backpack, survival pack or purse. Both ends of the Upgrade water filter straw are removable for extend Longer Lifespan ensuring it provides up to 1,320 gallons (5,000 liters) of drinking water. Don't miss this opportunity to drink water conveniently wherever you go.
- 5-Stage Filtration - Our Upgrade 5-Stage Filtration System includes a coarse filter screen, double layer pp cotton fiber, coconut shell activated carbon and hollow fiber ultrafiltration membranes.(IT DOES NOT LOWER TDS VALUE, ensuring water's essential mineral balance remains untouched.)
- 0.1 Micron Pore Size & Balanced Flow Rate - This water filter straw features a 0.1 micron pore size, designed to help improve filtration precision. It delivers a flow rate of up to 16.9 fl oz/min (500 ml/min) for a balance between filtration performance and drinking speed, making it suitable for outdoor, travel, and emergency use.
- Food-Grade Materials & Multiple Use Modes - Made from durable, BPA-free ABS plastic, this water filter straw is designed for everyday and outdoor use. Its compact size allows for easy handling and portability. The filter is compatible with soft water pouches, disposable water bottles, and gravity-fed setups, making it suitable for individual, family, or small group water filtration needs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07SYYQZDN |
| Best Sellers Rank | #538 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #4 in Camping & Hiking Water Filters |
| Brand | Membrane Solutions |
| Brand Name | Membrane Solutions |
| Capacity | 1320 Gallons |
| Container Type | Bag,Bottle |
| Customer Reviews | 4.7 out of 5 stars 13,676 Reviews |
| Global Trade Identification Number | 00850071881745 |
| Included Components | 4 Pack Blue Personal Water Filter, Instruction Manual, Single Package Per |
| Installation Type | Personal Container |
| Item Dimensions L x W x H | 3.5"L x 3.5"W x 7.4"H |
| Item Weight | 2 Ounces |
| Manufacturer | Membrane Solutions |
| Material | Plastic |
| Material Type | Plastic |
| Maximum Flow Rate | 500 Milliliters Per Minute |
| Model Name | gear |
| Model Number | water filter straw |
| Other Special Features of the Product | Effectively eliminates up to 99.9999% of total coliforms (including E. coli and other representative organisms). Certified efficacy against: Escherichiacdli ATCC 25922 & Klebsiella terrigena 190737: 99.9999%% Staphylococcus aureus ATCC 6538 & Salmonella typhimurium ATCC 14028: 99.999% Vibrio cholerae FSCC 23209: 99.99%, ​​NSF/42​​ (for chlorine & taste improvement), NSF/372​​ (lead-free materials)… |
| Part Number | water filter straw |
| Power Source | Non Electric |
| Product Dimensions | 3.5"L x 3.5"W x 7.4"H |
| Purification Method | 5-Stage: Hollow Fiber Ultra Membrane, Activated Carbon Filter, Double PP Cotton Fiber, Coarse Filter |
| Smart Home Compatibility | Not Smart Home Compatible |
| Special Feature | Effectively eliminates up to 99.9999% of total coliforms (including E. coli and other representative organisms). Certified efficacy against: Escherichiacdli ATCC 25922 & Klebsiella terrigena 190737: 99.9999%% Staphylococcus aureus ATCC 6538 & Salmonella typhimurium ATCC 14028: 99.999% Vibrio cholerae FSCC 23209: 99.99%, ​​NSF/42​​ (for chlorine & taste improvement), NSF/372​​ (lead-free materials), ​​NSF/401​​ (reducing microplastics and particulate) Special Feature Effectively eliminates up to 99.9999% of total coliforms (including E. coli and other representative organisms). Certified efficacy against: Escherichiacdli ATCC 25922 & Klebsiella terrigena 190737: 99.9999%% Staphylococcus aureus ATCC 6538 & Salmonella typhimurium ATCC 14028: 99.999% Vibrio cholerae FSCC 23209: 99.99%, ​​NSF/42​​ (for chlorine & taste improvement), NSF/372​​ (lead-free materials), ​​NSF/401​​ (reducing microplastics and particulate) See more |
| Supported Water TDS Level Maximum (PPM) | 1000 |
| UPC | 850071881745 |
| Unit Count | 4.0 Count |

## Product Details

- **Brand:** Membrane Solutions
- **Capacity:** 1320 Gallons
- **Included Components:** 4 Pack Blue Personal Water Filter, Instruction Manual, Single Package Per
- **Installation Type:** Personal Container
- **Material:** Plastic
- **Package Information:** Bag,Bottle
- **Power Source:** Non Electric
- **Product Dimensions:** 3.5"L x 3.5"W x 7.4"H
- **Purification Method:** 5-Stage: Hollow Fiber Ultra Membrane, Activated Carbon Filter, Double PP Cotton Fiber, Coarse Filter

## Images

![Membrane Solutions Straw Water Filter S1, NSF/ANSI 42&372&401 certificated, Survival Filtration Portable Gear, Emergency Preparedness, Supply for Drinking Hiking Camping Team Family Outing - Image 1](https://m.media-amazon.com/images/I/71jRV-yTiUL.jpg)
![Membrane Solutions Straw Water Filter S1, NSF/ANSI 42&372&401 certificated, Survival Filtration Portable Gear, Emergency Preparedness, Supply for Drinking Hiking Camping Team Family Outing - Image 2](https://m.media-amazon.com/images/I/71MCPEekd2L.jpg)
![Membrane Solutions Straw Water Filter S1, NSF/ANSI 42&372&401 certificated, Survival Filtration Portable Gear, Emergency Preparedness, Supply for Drinking Hiking Camping Team Family Outing - Image 3](https://m.media-amazon.com/images/I/81mX55bm+lL.jpg)
![Membrane Solutions Straw Water Filter S1, NSF/ANSI 42&372&401 certificated, Survival Filtration Portable Gear, Emergency Preparedness, Supply for Drinking Hiking Camping Team Family Outing - Image 4](https://m.media-amazon.com/images/I/81dH3tjoVYL.jpg)
![Membrane Solutions Straw Water Filter S1, NSF/ANSI 42&372&401 certificated, Survival Filtration Portable Gear, Emergency Preparedness, Supply for Drinking Hiking Camping Team Family Outing - Image 5](https://m.media-amazon.com/images/I/71zXptsFg8L.jpg)

## Available Options

This product comes in different **Color, Style** options.

## Questions & Answers

**Q: What is the shelf life of it?**
A: Our personal water filter straw will be indefinite if unused and stored in a protected environment, moderate temperature, low ozone, etc.

**Q: Can be connected gravity bags and disposable water bottles?**
A: Our upgraded straw can not only connect disposable water bottles of 28mm threading as squeezable water filtration system but also as a replacement filter of different gravity systems. Of course, it also applies to our 6L gravity system "B08ZYMXLMH".

**Q: What is different from the upgrade of the straw water filter and before?**
A: The upgrade water filter has a larger filtration capacity of 5,000 L (Can only filter 1,500 liters before), and the water flow rate is getting faster.

**Q: How to drink filtering water quickly?**
A: 1) When Water Filter is dry, stand it up in drinking water for 1-2 mins or rinse the water filter straw under the tap from the "mouthpiece" side, until the inside is wet; 2) After each use, backwash by water, and vertical placement to dry.

**Q: How to extend the straw water filter lifetime?**
A: We suggest that you always use the best fresh water source to backwash the straw filter after each use. Note: Be sure to remember dry then storage and doesn't work for seawater.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product. Trying for first time.
*by K***S on May 30, 2026*

I gave 5 stars as th a product arrived next day & was packaged very well. I appreciated the fast delivery.

### ⭐⭐⭐⭐⭐ Perfect for being without municipal water or access to a well.
*by D***. on May 7, 2026*

For those that are concerned about water supply, these are a must. Also good for extended stays outdoors, camping, hiking boating and such.

### ⭐⭐⭐⭐⭐ Great value for the price, they work great (never got sick, use every day)
*by A***2 on May 5, 2026*

Use these on my hikes every day. To drink out of the streams along my route. Haven't got sick, so I take it they work. Great value. Have used about 150 times so far (on only one of them), and it's still going strong. So, they last as long as advertised as well. You'd be crazy not to keep one on u in the woods. Weighs basically nothing and can purify 10k+ gallons of water. No brainer.

## Frequently Bought Together

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-06-04*