--- 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: "32733 Ft" currency: HUF in_stock: true reviews_count: 13 category: "Membrane Solutions" url: https://www.desertcart.hu/products/140721129-membrane-solutions-personal-water-filter-straw-s1-nsf-ansi-42 store_origin: HU region: Hungary --- # 2 oz ultra-portable, fits 28mm bottles 0.1 micron ultra filtration precision 99.9999% pathogen removal certified 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:** 32733 Ft **Availability:** ✅ In Stock ## Summary > 💦 Sip Smart, Stay Ready: The Ultimate Water Filter Straw for Every Explorer ## 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?** 32733 Ft with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/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 - • **Unmatched Filtration Power:** Eliminates 99.9999% of harmful bacteria including E. coli, safeguarding your hydration on every adventure. - • **Long-Lasting 5-Stage Filter:** Enjoy up to 1,320 gallons of clean water with advanced multi-layer filtration including activated carbon and hollow fiber membranes. - • **Compact & Lightweight Design:** At just 2 ounces and 7.1 inches, it slips effortlessly into your backpack, purse, or emergency kit—hydration freedom on the go. - • **Versatile Compatibility & Use:** Fits any 28mm threaded bottle and works with soft pouches or gravity setups—perfect for solo travelers, families, and survivalists alike. - • **Survival-Grade Triple NSF Certification:** Trust science-backed filtration with NSF/42, 372, and 401 certifications ensuring pure, safe, and great-tasting water anywhere. ## Overview The Membrane Solutions Personal Water Filter Straw S1 is a scientifically certified, ultra-portable filtration device that removes 99.9999% of bacteria and contaminants. Featuring a 5-stage filtration system with a 0.1 micron pore size, it delivers clean, great-tasting water at a flow rate of 500 ml/min. Lightweight and compact, it fits standard 28mm bottles and offers a lifespan of up to 1,320 gallons, making it an essential tool for hiking, travel, and emergency preparedness. ## Description desertcart.com : Membrane Solutions Personal Water Filter Straw S1 (Blue, 4 Pack) | NSF/ANSI 42 372 401 Certified, 1320 Gal Capacity, 0.1 Micron, Fits 28mm Bottle, BPA-Free, Survival Emergency Hiking Camping : Sports & Outdoors Review: Better than the Life Straw - Solid choice for a filter. First, this is a certified filter, something many of the cheaper filters are not. Second, the second stage of carbon filtration greatly improves taste. Finally, it is threaded for 28mm bottles (such as the smart water bottle). The Sawyer life straw has fewer features and cost much more! Review: Portable water filter - Haven’t used this item yet but arrived quickly and light weight. Glad to have these for my family in case of an emergency. ## 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. Flexible use of threaded water inlet cap to easy backflush. (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 | #550 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #3 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 13,995 Reviews | | 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 | Plastic | | 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 | | 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 | | 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), ​​NSF/401​​ (reducing microplastics and particulate) 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), ​​NSF/401​​ (reducing microplastics and particulate) See more | | Supported Water TDS Level Maximum (PPM) | 1000 | | UPC | 850071881745 | | Unit Count | 4 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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Better than the Life Straw *by K***R on July 4, 2026* Solid choice for a filter. First, this is a certified filter, something many of the cheaper filters are not. Second, the second stage of carbon filtration greatly improves taste. Finally, it is threaded for 28mm bottles (such as the smart water bottle). The Sawyer life straw has fewer features and cost much more! ### ⭐⭐⭐⭐⭐ Portable water filter *by T***D on June 19, 2026* Haven’t used this item yet but arrived quickly and light weight. Glad to have these for my family in case of an emergency. ### ⭐⭐⭐⭐⭐ Membrane Solutions *by N***A on June 10, 2026* These are amazing easy to use durable and great quality very lightweight filter speed is great and safe great for camping hiking or just to have on have for emergencies ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hu/products/140721129-membrane-solutions-personal-water-filter-straw-s1-nsf-ansi-42](https://www.desertcart.hu/products/140721129-membrane-solutions-personal-water-filter-straw-s1-nsf-ansi-42) --- *Product available on Desertcart Hungary* *Store origin: HU* *Last updated: 2026-08-03*