---
product_id: 139399438
title: "- 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: "€ 93.08"
currency: EUR
in_stock: true
reviews_count: 13
category: "Membrane Solutions"
url: https://www.desertcart.gr/products/139399438-straw-water-filter-s1-nsf-ansi-42-and-372-401
store_origin: GR
region: Greece
---

# 500 ml/min fast flow rate 0.1 micron ultra filtration precision Triple NSF certified safety - 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:** € 93.08
**Availability:** ✅ In Stock

## Summary

> 💧 Stay hydrated, stay ahead — filter like a pro, anywhere you go!

## Quick Answers

- **What is this?** - 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?** € 93.08 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/139399438-straw-water-filter-s1-nsf-ansi-42-and-372-401)

## 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:** Lightweight 2 oz design fits any 28mm bottle, perfect for hiking, travel, and emergency kits.
- • **Sip with Confidence:** Removes 99.9999% of harmful bacteria including E. coli for pure, safe hydration anywhere.
- • **Certified Triple Threat:** NSF/ANSI 42, 372 & 401 certifications ensure superior taste, lead-free materials, and microplastic reduction.
- • **Endurance You Can Trust:** Up to 1,320 gallons (5,000 liters) lifespan with removable ends for extended use.
- • **5-Stage Filtration Mastery:** Advanced multi-layer system balances mineral retention with thorough contaminant removal.

## Overview

The Membrane Solutions Straw Water Filter S1 is a portable, survival-grade filtration device certified by NSF/ANSI 42, 372, and 401. It features a 5-stage filtration system with a 0.1 micron pore size, removing 99.9999% of bacteria and contaminants while preserving essential minerals. Lightweight and compact, it fits standard bottles and delivers up to 500 ml/min flow rate, supporting up to 1,320 gallons of clean water—ideal for hiking, travel, and emergency preparedness.

## 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, 6 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), ensuring every sip is not just safe, but tastes great. Your ultimate protection for hiking, international travel, or emergency preparedness.
- 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 | B07T35ZXSM |
| Best Sellers Rank | #472 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 (13,081) |
| Date First Available | June 24, 2019 |
| Global Trade Identification Number | 00850071881752 |
| Installation Type | Personal Container |
| Item Dimensions LxWxH | 1.18 x 1.18 x 6.69 inches |
| Item Package Dimensions L x W x H | 7.4 x 5.08 x 3.5 inches |
| Item Weight | 2 Ounces |
| Manufacturer | Membrane Solutions |
| Maximum Flow Rate | 500 Milliliters Per Minute |
| Model Name | gear |
| Number of Items | 6 |
| Package Information | Bag,Bottle |
| Package Weight | 0.5 Kilograms |
| Part Number | water filter straw |
| Power Source | Non Electric |
| Product Dimensions | 5"L x 3.5"W x 7.4"H |
| Special Feature | Portable |
| Style | 6 Pack |
| Supported Water TDS Level Maximum (PPM) | 1000 |
| UPC | 850071881752 |

## Product Details

- **Brand:** Membrane Solutions
- **Capacity:** 5000 Liters
- **Included Components:** 6 Pack Water Filter Straw, Instruction Manual, Single Package Per
- **Installation Type:** Personal Container
- **Material:** Plastic
- **Package Information:** Bag,Bottle
- **Power Source:** Non Electric
- **Product Dimensions:** 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
- **Special Feature:** Portable

## Images

![- 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/71P9eVvERnL.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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**Shop now:** [https://www.desertcart.gr/products/139399438-straw-water-filter-s1-nsf-ansi-42-and-372-401](https://www.desertcart.gr/products/139399438-straw-water-filter-s1-nsf-ansi-42-and-372-401)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-02-19*