---
product_id: 410983580
title: "Membrane Solutions Water Filter Straw S2, NSF/ANSI 42&372&401 Certified, 4-Stage 0.1 μm Portable Water Purifier with Replaceable Filter, 5,000L Capacity for Camping, Hiking, Survival and Emergency- 5P"
brand: "membrane solutions"
price: "Bs.866"
currency: BOB
in_stock: true
reviews_count: 13
category: "Membrane Solutions"
url: https://www.desertcart.bo/products/410983580-membrane-solutions-water-filter-straw-s2-nsf-ansi-42-372
store_origin: BO
region: Bolivia
---

# 0.1 μm ultrafiltration membrane replaceable & detachable filter 4-stage multi-filter system Membrane Solutions Water Filter Straw S2, NSF/ANSI 42&372&401 Certified, 4-Stage 0.1 μm Portable Water Purifier with Replaceable Filter, 5,000L Capacity for Camping, Hiking, Survival and Emergency- 5P

**Brand:** membrane solutions
**Price:** Bs.866
**Availability:** ✅ In Stock

## Summary

> 💧 Stay ahead of the pack with the ultimate 4-stage water purifier—because clean water waits for no one.

## Quick Answers

- **What is this?** Membrane Solutions Water Filter Straw S2, NSF/ANSI 42&372&401 Certified, 4-Stage 0.1 μm Portable Water Purifier with Replaceable Filter, 5,000L Capacity for Camping, Hiking, Survival and Emergency- 5P by membrane solutions
- **How much does it cost?** Bs.866 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/410983580-membrane-solutions-water-filter-straw-s2-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

- • **On-the-Go Versatility:** Use directly, connect to bottles or pouches, or add tubing for extended reach—hydration your way.
- • **Purify with Precision:** 0.1 micron hollow fiber membrane removes 99.99999% contaminants for crystal-clear hydration.
- • **Effortless Maintenance:** Innovative detachable design lets you replace only the filter element—save money and reduce waste.
- • **Survival-Ready Durability:** Lightweight, BPA-free, and capable of filtering up to 5,000 liters—your ultimate outdoor and emergency companion.
- • **Certified Safety Assurance:** NSF/ANSI 42, 372 & 401 certified to guarantee odor, chlorine, heavy metals removal and lead-free materials.

## Overview

The Membrane Solutions Water Filter Straw S2 is a compact, NSF/ANSI certified 4-stage portable purifier featuring a 0.1 micron ultrafiltration membrane. Designed for hiking, camping, and emergencies, it removes 99.99999% of contaminants including heavy metals and chlorine, with a replaceable filter element and a 5,000L lifespan. Lightweight and versatile, it supports multiple filtration modes and ensures safe, fresh water anywhere.

## Description

desertcart.com : Membrane Solutions Water Filter Straw S2, NSF/ANSI 42&372&401 Certified, 4-Stage 0.1 μm Portable Water Purifier with Replaceable Filter, 5,000L Capacity for Camping, Hiking, Survival and Emergency- 5P : Sports & Outdoors

Review: Perfect. - Good quality unit. Best Multilpile Stage Purification portable filter I have found!!!
Review: I approve for zombie emergencies - Should last long enough to wait out all the zombies 🧟 💧 Last forever on shelf till you start using it. Hopefully never have to use it !

## Features

- ​Survival Gear for Outdoor Water Needs​​ - Certified by ​​NSF & SGS (Test Report NBF21-004693-01)​​ and rigorously tested to meet ​​NSF/ANSI 42, 372, 401 standards​​, this portable water filtration system ensures, drinking water in seconds. The NSF certifications validate its ability to remove odor and particles, while maintaining lead-free material. Lightweight and compact, it’s designed for reliability during hiking, camping, global travel, or emergencies—proven by science, trusted by adventurers.
- Innovative Detachable Design: Our S2 water filter straw now is the only detachable straw on the market, both ends can be disassembled. That means it just needs to replace the filter element anytime and anywhere, no need to replace the straw tube shell frequently, which is truly money-saving.
- Superior Backwash Solution: Detachable mouthpiece connects with the common bottle for backwashing, no need for an extra syringe, make easier. Camping water filter does not expire like water purification tablets and does not require batteries, very easy to use
- 4-Stage Filtration: Our backpacking water filter is made up of 0.1-micron hollow fiber ultrafiltration membrane, coconut shell GAC filter, and double PP fiber filter. Removes 99.99999% of odor, chlorine, heavy metals, make water taste better. What's more, it can maintain the optimal flow rate (500ml/min) while the filter pore size is smaller. Long lifespan to provide at least 20,000 liters water.
- Versatile Filtering Modes: Direct use as a personal water filter; also ideal for connecting with soft water pouch or standard disposable water bottles to get water; even add an extension silicone pipe (Tubing NOT Included) on emergency water filter for more distance to drink; plus, as a replacement gravity filter to provide enough fresh water for family & group.
- Emergency Survival Tool: Match with Food-grade and BPA-Free materials ensure drinking water. An ideal tool for multiple purposes such as backpacking gear, hiking gear, travel accessories, camping & survival equipment and emergency preparedness items. Even the hiking water filter is also suitable as a gift for hikers.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09MQMYDPN |
| Best Sellers Rank | #6,692 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #14 in Camping & Hiking Water Filters |
| Brand | Membrane Solutions |
| Date First Available | November 29, 2021 |
| Global Trade Identification Number | 00850071881783 |
| Installation Type | Countertop |
| Item Weight | 3 ounces |
| Item model number | 5 |
| Manufacturer | Membrane Solutions |
| Maximum Flow Rate | 500 Milliliters Per Minute |
| Model Name | gear |
| Package Information | Bottle,Syringe,Tube |
| Power Source | Non Electric |
| Product Dimensions | 8.66"L x 1.57"W x 1.57"H |
| Special Feature | Portable |
| Supported Water TDS Level Maximum (PPM) | 500 |
| UPC | 850071881783 |

## Product Details

- **Brand:** Membrane Solutions
- **Capacity:** 5000 Liters
- **Installation Type:** Countertop
- **Item Weight:** 3 Ounces
- **Material:** Straw
- **Package Information:** Bottle,Syringe,Tube
- **Power Source:** Non Electric
- **Product Dimensions:** 8.66"L x 1.57"W x 1.57"H
- **Purification Method:** Activated Carbon, Hollow Fiber Membrane
- **Special Feature:** Portable

## Images

![Membrane Solutions Water Filter Straw S2, NSF/ANSI 42&372&401 Certified, 4-Stage 0.1 μm Portable Water Purifier with Replaceable Filter, 5,000L Capacity for Camping, Hiking, Survival and Emergency- 5P - Image 1](https://m.media-amazon.com/images/I/71HRmjwnhKL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect.
*by T***K on December 25, 2025*

Good quality unit. Best Multilpile Stage Purification portable filter I have found!!!

### ⭐⭐⭐⭐⭐ I approve for zombie emergencies
*by J***Y on January 3, 2026*

Should last long enough to wait out all the zombies 🧟 💧 Last forever on shelf till you start using it. Hopefully never have to use it !

### ⭐⭐⭐⭐⭐ Good filters
*by T***G on October 25, 2025*

Quality filter at a reasonable cost.

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*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-02-24*