---
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: "€ 45.92"
currency: EUR
in_stock: true
reviews_count: 13
category: "Membrane Solutions"
url: https://www.desertcart.it/products/140721129-membrane-solutions-straw-water-filter-s1-nsf-ansi-42-372
store_origin: IT
region: Italy
---

# Ultra Portable & Lightweight 0.1 Micron Ultra Filtration Triple NSF 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:** € 45.92
**Availability:** ✅ In Stock

## Summary

> 💧 Sip Smart, Stay Ready — Your Ultimate Survival Hydration Hack!

## 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?** € 45.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/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

- • **Compact Powerhouse:** Fits any 28mm bottle, weighs just 2 oz, and delivers up to 1,320 gallons of clean water.
- • **Versatile & Durable:** BPA-free, compatible with multiple water sources, perfect for solo explorers or family outings.
- • **Science-Backed Safety:** Eliminates 99.9999% of harmful bacteria including E. coli for peace of mind on every adventure.
- • **Triple NSF Certification:** NSF/42, 372 & 401 certified to ensure pure taste, lead-free materials, and microplastic reduction.
- • **Advanced 5-Stage Filtration:** Combines activated carbon, ultrafiltration membranes, and more for superior contaminant removal without stripping minerals.

## Overview

The Straw Water Filter S1 is a scientifically certified, ultra-portable filtration straw designed for hiking, camping, and emergency use. It features a 5-stage filtration system with a 0.1 micron pore size that removes 99.9999% of bacteria and contaminants while preserving essential minerals. Lightweight and compact, it fits standard bottles and delivers up to 1,320 gallons of clean water, making it an essential gear for health-conscious adventurers and preparedness enthusiasts.

## 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

Review: If you explore the outdoors, you need one in your pack! - The straws are exactly what I expected. I love the quality and functionality. We made a survival kit to add to each of our kids hiking packs. These are lightweight and portable and could definitely save you in a bad situation on the mountain.
Review: Great item - Haven’t had to use them yet I haven’t opened them, but I’m sure they’re worth the money

## 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. Ensuring the water in the worst environments.(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 | #396 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #2 in Camping & Hiking Water Filters |
| Brand | Membrane Solutions |
| Brand Name | Membrane Solutions |
| Color | Blue |
| Customer Reviews | 4.7 4.7 out of 5 stars (13,060) |
| Date First Available | June 24, 2019 |
| Global Trade Identification Number | 00850071881745 |
| Installation Type | Personal Container |
| Item Dimensions LxWxH | 1.18 x 1.18 x 6.69 inches |
| Item Package Dimensions L x W x H | 7.48 x 3.62 x 3.46 inches |
| Item Weight | 2 Ounces |
| Manufacturer | Membrane Solutions |
| Maximum Flow Rate | 500 Milliliters Per Minute |
| Model Name | gear |
| Number of Items | 4 |
| Package Information | Bag,Bottle |
| Package Weight | 0.33 Kilograms |
| Part Number | water filter straw |
| Power Source | Non Electric |
| Product Dimensions | 3.5"L x 3.5"W x 7.4"H |
| 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)… |
| Style | 4 Pack |
| Supported Water TDS Level Maximum (PPM) | 1000 |
| UPC | 850071881745 |

## 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)

## 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

### ⭐⭐⭐⭐⭐ If you explore the outdoors, you need one in your pack!
*by C***R on January 7, 2026*

The straws are exactly what I expected. I love the quality and functionality. We made a survival kit to add to each of our kids hiking packs. These are lightweight and portable and could definitely save you in a bad situation on the mountain.

### ⭐⭐⭐⭐⭐ Great item
*by A***S on January 19, 2026*

Haven’t had to use them yet I haven’t opened them, but I’m sure they’re worth the money

### ⭐⭐⭐⭐⭐ Great for Emergencies — Peace of Mind!
*by L***8 on November 29, 2025*

I bought this water filter just in case of an emergency, and it gives me a lot of peace of mind knowing it’s ready if we ever need it. It feels sturdy, well-made, and compact enough to store easily. I haven’t had to use it yet, but it’s reassuring to have a reliable option for clean water in a pinch. Pros: • Compact and portable • Well-made and sturdy • Gives peace of mind for emergency situations Cons: • None so far — haven’t used it in an actual emergency yet Overall, a solid choice for anyone looking to be prepared for unexpected situations.

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-02-01*