---
product_id: 140721129
title: "Membrane Solutions Personal Water Filter Straw S1 | NSF/ANSI 42 372 401 Certified, 1320 Gal Capacity, 0.1 Micron, Fits 28mm Bottle, BPA-Free, Survival Emergency Hiking Camping"
brand: "membrane solutions"
price: "€ 69.07"
currency: EUR
in_stock: true
category: "Membrane Solutions"
url: https://www.desertcart.gr/products/140721129-membrane-solutions-personal-water-filter-straw-s1-nsf-ansi-42
store_origin: GR
region: Greece
---

# up to 500 ml/min fast flow rate 0.1 micron ultra filtration precision NSF triple certified for safety & taste Membrane Solutions Personal Water Filter Straw S1 | NSF/ANSI 42 372 401 Certified, 1320 Gal Capacity, 0.1 Micron, Fits 28mm Bottle, BPA-Free, Survival Emergency Hiking Camping

**Brand:** membrane solutions
**Price:** € 69.07
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Membrane Solutions Personal Water Filter Straw S1 | NSF/ANSI 42 372 401 Certified, 1320 Gal Capacity, 0.1 Micron, Fits 28mm Bottle, BPA-Free, Survival Emergency Hiking Camping by membrane solutions
- **How much does it cost?** € 69.07 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/140721129-membrane-solutions-personal-water-filter-straw-s1-nsf-ansi-42)

## 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

- • **Survival-Grade Purity:** Eliminates 99.9999% of harmful bacteria including E. coli for trusted hydration anywhere.
- • **Long-Lasting Hydration:** Filters up to 1,320 gallons (5,000 liters) ensuring reliable water supply for your adventures and emergencies.
- • **Compact & Ultra Portable:** Lightweight 2 oz design fits any 28mm bottle, perfect for hiking, travel, and emergency kits.
- • **Triple NSF Certification:** Certified NSF/42, 372 & 401 ensures chlorine removal, lead-free materials, and microplastic reduction.
- • **5-Stage Advanced Filtration:** Combines activated carbon, hollow fiber membranes & cotton fiber for superior taste without stripping minerals.

## Overview

The Membrane Solutions Straw Water Filter S1 is a compact, survival-grade portable water filter certified by NSF/ANSI 42, 372, and 401. It delivers ultra-precise 0.1 micron filtration with a fast flow rate of 500 ml/min, removing 99.9999% of harmful bacteria and contaminants including microplastics and chlorine. Designed for outdoor enthusiasts and emergency preparedness, it fits standard bottles, weighs just 2 ounces, and filters up to 1,320 gallons, ensuring safe, great-tasting water wherever life takes you.

## Description

desertcart.com : Membrane Solutions Personal Water Filter, Survival Filtration Straw Portable Gear, Emergency Preparedness, Supply for Drinking Hiking Camping Travel Hunting Fishing Team Family Outing (Blue, 4 Pack) : Sports & Outdoors

## 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 | #721 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #4 in Camping & Hiking Water Filters |
| Brand Name | Membrane Solutions |
| Capacity | 1320 gallons |
| Container Type | Bag,Bottle |
| Customer Reviews | 4.7 4.7 out of 5 stars (13,880) |
| Global Trade Identification Number | 00850071881745 |
| Included Components | User Manual |
| 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 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 |
| Purification Method | 5-Stage: Hollow Fiber Ultra Membrane, Activated Carbon Filter, Double PP Cotton Fiber, Coarse Filter |
| Smart Home Compatibility | Not Smart Home Compatible |
| Supported Water TDS Level Maximum (PPM) | 1000 |
| UPC | 850071881745 |
| Unit Count | 4.0 Count |

## Product Details

- **Brand:** Membrane Solutions
- **Capacity:** 1320 gallons
- **Included Components:** User Manual
- **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 Personal Water Filter Straw S1 | NSF/ANSI 42 372 401 Certified, 1320 Gal Capacity, 0.1 Micron, Fits 28mm Bottle, BPA-Free, Survival Emergency Hiking Camping - Image 1](https://m.media-amazon.com/images/I/71jRV-yTiUL.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.

## Frequently Bought Together

- 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
- Aquatabs 397mg Water Purification Tablets (100 Pack). Water Filtration System for, Camping, Boating, Emergencies, Survival, RVs, and Marine-Use. Easy to Use Treatment and Disinfection.
- Potable Aqua Water Purification Tablets with PA Plus, Portable and Effective Solution for Camping, Hiking, Emergencies, Natural Disasters and International Travel, Two 50ct Bottles

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---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-07-28*