Membrane Solutions Personal Water Filter

Crouched beside a glacial melt stream, the silence of the high alpine is broken only by the rhythmic pull of water through the Membrane Solutions Personal Water Filter. This isn't about carrying heavy liters of water up a steep switchback; it is about trusting a compact, high-flow filtration system that turns hidden backcountry sources into crisp, reliable hydration on the fly. Engineered to strip away sediment and pathogens with scientific precision, the filter allows you to lean directly into a flowing spring or top off a vessel without a second thought. 

PRODUCT CONDITION
 
This Membrane Solutions Personal Water Filter is in UnNew With Tags condition. 
 
Products in UnNew With Tags condition appear to be unused and still retain their original retail tags. While it has been passed down from a previous owner, it shows no signs of wear, use, or alteration and is in "like-new" condition.    

Geartrade cannot verify the effectiveness of this used water filter. We do not backflush or clean water filters in any way. Replacement elements [ARE or ARE NOT] readily available for purchase.
TECH SPECS

• ​Survival Gear for Outdoor Water Needs​​ - Certified by ​​NSF 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, 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.