---
product_id: 51781495
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: "B/.45"
currency: PAB
in_stock: true
reviews_count: 8
category: "Membrane Solutions"
url: https://www.desertcart.com.pa/products/51781495-straw-water-filter-s1-nsf-ansi-42-and-372-401
store_origin: PA
region: Panama
---

# ultra-portable 2 oz, fits any 28mm bottle 0.1 micron ultra filtration precision 5-stage advanced purification system 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:** B/.45
**Availability:** ✅ In Stock

## Summary

> 💦 Sip Smart, Stay Ready: The Ultimate Survival Straw for Every Explorer

## 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?** B/.45 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/51781495-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

- • **Versatile & BPA-Free:** Compatible with bottles, pouches, and gravity-fed systems, made from durable, food-grade ABS plastic for safe, everyday and outdoor use.
- • **Long-Lasting Filter Life:** Filters up to 1,320 gallons (5,000 liters) of water, ensuring reliable hydration for your entire hiking group, family outing, or emergency stash.
- • **Compact & Lightweight Design:** At just 7.1 inches and 2 ounces, this straw slips effortlessly into your backpack, purse, or survival kit—hydration on-the-go without the bulk.
- • **5-Stage Filtration for Pristine Taste:** Combines activated carbon, hollow fiber membranes, and multi-layer filters to deliver clean, great-tasting water without stripping essential minerals.
- • **Triple NSF Certified for Ultimate Safety:** Scientifically validated to remove 99.9999% of harmful bacteria including E. coli, plus microplastics and heavy metals for peace of mind on every adventure.

## Overview

The Membrane Solutions Straw Water Filter S1 is a compact, NSF triple-certified portable water filter designed for hiking, camping, and emergency preparedness. Featuring a 5-stage filtration system with a 0.1 micron pore size, it removes 99.9999% of bacteria, microplastics, and heavy metals while preserving essential minerals. Lightweight and durable, it fits any 28mm bottle and filters up to 1,320 gallons, making it an indispensable hydration tool for professionals and outdoor enthusiasts alike.

## 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, 1 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 | B073R8F3HP |
| Best Sellers Rank | #377 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #2 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 13,078 Reviews |
| Global Trade Identification Number | 00850071881721 |
| Included Components | Membrane Solutions Straw Water Filter |
| Installation Type | Handheld |
| Item Dimensions L x W x H | 1.7"L x 1.7"W x 7.4"H |
| Item Height | 6.69 inches |
| Item Weight | 0.1 Kilograms |
| Manufacturer | Membrane Solutions |
| Material | Glass Polypropylene Acrylonitrile Butadiene Styrene |
| Material Type | Glass Polypropylene Acrylonitrile Butadiene Styrene |
| Maximum Flow Rate | 500 Milliliters Per Minute |
| Model Name | gear |
| Model Number | water filter straw |
| Other Special Features of the Product | Lightweight |
| Power Source | Non Electric |
| Product Dimensions | 1.7"L x 1.7"W x 7.4"H |
| Purification Method | 5-Stage: Hollow Fiber Ultra Membrane, Activated Carbon Filter, Double PP Cotton Fiber, Coarse Filter |
| Special Feature | Lightweight |
| Supported Water TDS Level Maximum (PPM) | 500 |
| UPC | 850071881721 |
| Upper Temperature Rating | 40 Degrees Celsius |

## Product Details

- **Brand:** Membrane Solutions
- **Special Feature:** Lightweight
- **Product Dimensions:** 1.7"L x 1.7"W x 7.4"H
- **Material:** Glass Polypropylene Acrylonitrile Butadiene Styrene
- **Capacity:** 1320 Gallons
- **Included Components:** Membrane Solutions Straw Water Filter
- **Package Information:** Bag,Bottle
- **Installation Type:** Handheld
- **Purification Method:** 5-Stage: Hollow Fiber Ultra Membrane, Activated Carbon Filter, Double PP Cotton Fiber, Coarse Filter
- **Power Source:** Non Electric

## 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/61Z5bKlrxJL.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

### ⭐⭐⭐⭐⭐ 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.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.com.pa/products/51781495-straw-water-filter-s1-nsf-ansi-42-and-372-401](https://www.desertcart.com.pa/products/51781495-straw-water-filter-s1-nsf-ansi-42-and-372-401)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-03-06*