{"product_id":"shtfandgo-gravity-well-nano-uf-membrane-water-filter-7-gallon-emergency-filtration-system","title":"SHTFandGO Gravity Well Nano UF Membrane Water Filter — 7-Gallon Emergency Filtration System","description":"\u003ch2\u003eGravity Well Nano Membrane Water Filter — 7-Gallon Off-Grid Water Filtration System\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWater filtration without relying on grid power.\u003c\/strong\u003e When municipal water is unavailable, the SHTFandGO Gravity Well Nano combines an ultrafiltration (UF) membrane with a secondary filtration stage in a portable, gravity-fed water treatment system. It is designed for emergency preparedness, homesteading, off-grid cabins, and camping.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent supplier status:\u003c\/strong\u003e SHTFandGO confirmed availability of the Nano Gravity Well in its November 5, 2026 dealer update. Orders are subject to final supplier acceptance and dispatch confirmation; no exact shipment date is guaranteed.\u003c\/p\u003e\n\u003ch3\u003eWhy choose the Gravity Well Nano?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.02-micron UF membrane:\u003c\/strong\u003e A physical filtration stage intended to capture fine suspended particles and many microbial contaminants. Actual removal performance depends on source-water conditions and proper operation; ask us for available manufacturer test data if you need a particular contaminant reduction rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-stage treatment:\u003c\/strong\u003e A washable Nano UF membrane works with the included three-stage secondary filter. The manufacturer also offers a stainless steel bone-char secondary filter configuration; contact us for price and availability of that version.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGravity-fed operation:\u003c\/strong\u003e Treat water without electricity. A hand air pump is included for pressure-assisted flow when desired.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFamily-size capacity:\u003c\/strong\u003e Two stackable, BPA-free 3.5-gallon containers provide 7 gallons of total container volume, with an easy-dispense faucet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable and versatile:\u003c\/strong\u003e USA-made containers, screw-down lids, and a paracord handle; the UF membrane may also be used separately as a personal filter with the manufacturer's tubing setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat comes with the three-stage-filter configuration?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNano ultrafiltration membrane\u003c\/li\u003e\n\u003cli\u003eStainless steel J-tube manifold\u003c\/li\u003e\n\u003cli\u003eThree-stage secondary filter and adapter\u003c\/li\u003e\n\u003cli\u003eHand air pump\u003c\/li\u003e\n\u003cli\u003eDispensing faucet\u003c\/li\u003e\n\u003cli\u003eTwo BPA-free containers with gasketed lids\u003c\/li\u003e\n\u003cli\u003eParacord handle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSystem\u003c\/th\u003e\n\u003ctd\u003eGravity-fed Nano membrane filter with secondary three-stage filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCapacity\u003c\/th\u003e\n\u003ctd\u003e7 gallons total across two 3.5-gallon containers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMembrane pore size\u003c\/th\u003e\n\u003ctd\u003e0.02 micron (manufacturer specification)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOutput\u003c\/th\u003e\n\u003ctd\u003eManufacturer reports up to 12+ gallons\/hour when pressure-assisted; actual flow varies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eApproximate dimensions\u003c\/th\u003e\n\u003ctd\u003e18 × 14 × 14 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eApproximate weight\u003c\/th\u003e\n\u003ctd\u003e15 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMembrane service life\u003c\/th\u003e\n\u003ctd\u003eManufacturer estimates up to 20,000+ gallons with proper use and care; water quality affects life\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePower\u003c\/th\u003e\n\u003ctd\u003eNo electricity required for gravity filtration; manual hand pump included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eImportant: Filtration is not distillation or desalination\u003c\/h3\u003e\n\u003cp\u003eThe Gravity Well Nano is a \u003cstrong\u003ewater filtration\u003c\/strong\u003e system, not a distiller. Unlike the Gravi-Stil, it \u003cstrong\u003edoes not remove dissolved salts from seawater\u003c\/strong\u003e and should not be used to make saltwater drinkable. No single filter removes every chemical contaminant; verify that the selected filter is appropriate for your source water.\u003c\/p\u003e\n\u003ch3\u003eQuestions before ordering?\u003c\/h3\u003e\n\u003cp\u003eNot sure whether you need filtration, UV treatment, or seawater desalination? \u003ca href=\"\/pages\/contact\"\u003eContact Prepper Hideout\u003c\/a\u003e and tell us your water source and intended use. We'll help you choose the correct system.\u003c\/p\u003e","brand":"SHTFandGO","offers":[{"title":"With 3-Stage Filter","offer_id":67938616803638,"sku":null,"price":189.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0682\/5338\/5014\/files\/shtfandgo-gravity-well-nano-membrane-filter.jpg?v=1793998332","url":"https:\/\/prepperhideout.com\/products\/shtfandgo-gravity-well-nano-uf-membrane-water-filter-7-gallon-emergency-filtration-system","provider":"Prepper Hideout","version":"1.0","type":"link"}