{"product_id":"ultra-light-travel-water-purifier-5-stage-filtration","title":"Membrane Solutions Portable Water Purification Unit - Travel Ready","description":"\u003cp\u003eOur review of the Membrane Solutions Portable Water Purification Unit finds it best suited for hikers, campers and travelers who need a compact, reliable way to make water drinkable on the move; the single biggest reason to buy is its proven 0.1 micron, 5-stage filtration that reduces 99.99999% of E. coli while maintaining a usable flow rate. The unit is lightweight at about 3 ounces and combines a squeezable straw and collapsible bottle so it can be carried in a small pack or purse without adding bulk, making it easy to deploy for both planned outdoor trips and emergency preparedness.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Stage Filtration:\u003c\/strong\u003e The combination of a coarse screen, double-layer PP cotton, coconut shell activated carbon and hollow fiber ultrafiltration yields cleaner tasting water and particulate removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.1 Micron Pore Size:\u003c\/strong\u003e The smaller pore size increases filtering accuracy versus common 0.2 micron straws while keeping a practical flow rate when squeezing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Contaminant Reduction:\u003c\/strong\u003e Laboratory test results indicate a 99.99999% reduction of Escherichia coli, which addresses microbiological safety in many outdoor water sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable and Lightweight:\u003c\/strong\u003e At about 3 ounces and palm-sized, the system easily fits in a backpack, gym bag, or pocket for travel or day hikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Service Life:\u003c\/strong\u003e The upgrade design and removable end caps make cleaning possible and the filter is rated for long life up to several thousand liters of use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Use Modes:\u003c\/strong\u003e The straw can be used alone as a replacement gravity filter or paired with the collapsible bottle for squeezable filtering and short-term storage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe Membrane Solutions unit is aimed at outdoor enthusiasts who want a minimal-weight, high-accuracy filter that improves taste and removes bacteria from uncertain water sources. Backpackers on day trips, international travelers who worry about tap water quality, and families building emergency kits will appreciate the small footprint and the 5-stage filtration.\u003c\/p\u003e\u003cp\u003eIt is less suited to users who need removal of dissolved solids (it does not lower TDS) or who require complete redundancy against all viral contaminants; people who need large-volume household filtration or a system to reduce mineral content should look at other options.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVery small and lightweight, making it easy to carry for travel or hiking.\u003c\/li\u003e\n\u003cli\u003e0.1 micron hollow fiber membrane and 5-stage media deliver strong bacterial reduction and improved taste.\u003c\/li\u003e\n\u003cli\u003eFlexible use as a squeezable bottle system or as a replacement gravity filter provides practical versatility.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDoes not reduce total dissolved solids (TDS), so it will not remove salts or some chemical contaminants.\u003c\/li\u003e\n\u003cli\u003eSome customers have reported occasional leakage issues, so careful assembly and inspection are recommended before use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eMembrane Solutions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration stages\u003c\/td\u003e\n\u003ctd\u003e5-stage filtration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePore size\u003c\/td\u003e\n\u003ctd\u003e0.1 micron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE. coli reduction\u003c\/td\u003e\n\u003ctd\u003e99.99999% (SGS test)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApproximately 3 ounces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEstimated capacity\u003c\/td\u003e\n\u003ctd\u003eUp to several thousand liters (upgrade rated up to 5,000 L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNotes\u003c\/td\u003e\n\u003ctd\u003eDoes not lower TDS; straw ends removable for cleaning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Membrane Solutions Portable Water Purification Unit is a strong value for campers, hikers and travelers who prioritize low weight and high bacterial protection; its 0.1 micron, 5-stage filtration improves taste and reduces E. coli while fitting into a small pack. Those needing TDS reduction or heavy-duty leak-proofing for long expeditions should consider complementary solutions, but for everyday outdoor water safety this unit delivers practical performance.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan this filter lower TDS?\u003c\/strong\u003e\u003cbr\u003eNo, the product does not lower total dissolved solids; it targets particulates and microbiological contaminants.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long does the filter last?\u003c\/strong\u003e\u003cbr\u003eThe upgraded filter is rated for extended life and testing information indicates large capacity use, with removable ends for cleaning to extend service life.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan the straw be used with gravity bags?\u003c\/strong\u003e\u003cbr\u003eYes, the upgraded straw can function as a replacement filter for compatible gravity systems and also connects to the supplied collapsible bottle.\u003c\/p\u003e","brand":"Membrane Solutions","offers":[{"title":"Default Title","offer_id":46699379032283,"sku":"B0B28KGHSW","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71zMkj4riQL._SL1500.jpg?v=1744950355","url":"https:\/\/gearmusthave.com\/products\/ultra-light-travel-water-purifier-5-stage-filtration","provider":"GearMustHave","version":"1.0","type":"link"}