{"product_id":"klentax-1000ml-collapsible-water-filter-bottle-uk","title":"Klentax 1000ml Collapsible Water Filter Bottle UK","description":"\u003cspan\u003eOutdoor Hydration Dilemma\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eWild Hydration Shouldn't Be\u003cspan\u003eA Burden\u003c\/span\u003e\n\u003c\/h2\u003e\u003cp\u003eHeavy water bottles, unpleasant chlorine tablets, and fear of waterborne bugs should never hold you back from exploring the British countryside.\u003c\/p\u003e\u003ch3\u003eHeavy \u0026amp; Cumbersome Packs\u003c\/h3\u003e\u003cp\u003eCarrying multiple litres of bottled water adds punishing weight to your rucksack, tiring you out on steep climbs and long treks.\u003c\/p\u003e\u003ch3\u003eWater Contamination Risks\u003c\/h3\u003e\u003cp\u003eDrinking untreated stream or lake water risks severe illness from waterborne bacteria, protozoa, and sediment miles from help.\u003c\/p\u003e\u003ch3\u003eTedious \u0026amp; Foul Tablets\u003c\/h3\u003e\u003cp\u003eChemical purification tablets take 30+ minutes and leave an unpleasant chemical taste, while bulky pump systems are slow and tiresome.\u003c\/p\u003e\u003cdiv\u003e78%\u003c\/div\u003e\u003cp\u003eof UK hikers and wild campers report carrying excessive water weight is the single biggest cause of trail fatigue.\u003c\/p\u003e\u003cspan\u003eDiscover Klentax\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe Modern Solution\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eIntroducing\u003cspan\u003eKlentax\u003c\/span\u003e\n\u003c\/h2\u003e\u003cp\u003eA clever 1000ml collapsible soft flask with an ultra-fine 0.1-micron hollow-fibre filter for instant, safe drinking water wherever your adventures lead.\u003c\/p\u003e\u003ch3\u003eWithout Klentax\u003c\/h3\u003e\u003cspan\u003eHauling heavy, rigid water bottles that weigh down your rucksack\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWaiting 30 minutes for chemical purification tablets that taste unpleasant\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRisking stomach illness from untreated lake, river, or tarn water\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFumbling with bulky hand pumps, hoses, and fragile separate components\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003eWith Klentax\u003c\/h3\u003e\u003cspan\u003eFilters bacteria, protozoa, and fine sediment instantly at 0.1-micron precision\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollapsible 1000ml soft flask flattens completely to save rucksack space\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eEffortless squeeze-to-drink flow via comfortable silicone bite valve\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eZero batteries, mechanical pumps, or chemical wait times needed\u003c\/span\u003e\u003cbr\u003e\u003cdiv\u003eUltra-Fine Filtration\u003c\/div\u003e\u003cdiv\u003e0.1-micron hollow-fibre membrane\u003c\/div\u003e\u003cdiv\u003eCollapsible Flask\u003c\/div\u003e\u003cdiv\u003eFlattens when empty\u003c\/div\u003e\u003cdiv\u003eFast Hydration\u003c\/div\u003e\u003cdiv\u003eInstant squeeze flow\u003c\/div\u003e\u003cspan\u003eOutdoor Filtration\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eWhy Klentax Is Your Essential\u003cspan\u003eTrail Companion\u003c\/span\u003e\n\u003c\/h2\u003e\u003cp\u003eTurn natural UK freshwater streams, tarns, and taps into clean, refreshing drinking water in seconds.\u003c\/p\u003e\u003cspan\u003e0.1-Micron UF Membrane\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003eAdvanced 0.1-Micron Pure Filtration\u003c\/h3\u003e\u003cp\u003eEquipped with an advanced 0.1-micron hollow-fibre ultrafiltration membrane that helps trap bacteria, protozoa, sediment, and micro-particles from British streams, tarns, and rivers.\u003c\/p\u003e\u003cspan\u003e0.1-micron hollow-fibre ultrafiltration\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFilters bacteria, protozoa, and fine sediment\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTransparent housing for quick visual checks\u003c\/span\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0685\/1785\/5303\/files\/Hand_holding_water_filter_bottle_20260930135212.jpg?v=1790751337\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0685\/1785\/5303\/files\/2f430d-6be4-b65b-e84360409fd0.jpg?v=1790751434\"\u003e\u003cbr\u003e\u003cspan\u003eCollapsible TPU Body\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003e1000ml Collapsible Soft Flask\u003c\/h3\u003e\u003cp\u003eHolds a generous 1000ml of hydration when full, yet flattens and rolls down into a pocket-sized package when empty. Ditch bulky, rigid water bottles that clutter your hiking pack.\u003c\/p\u003e\u003cspan\u003eGenerous 1000ml water capacity\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCollapses flat when empty to save space\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e100% BPA-free durable food-grade TPU\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eEffortless Squeeze Flow\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003eSqueeze-to-Drink Silicone Valve\u003c\/h3\u003e\u003cp\u003eNo hard sucking or hand pumping required. Simply bite the soft silicone valve and gently squeeze the flexible flask for smooth, instant drinking flow wherever you are on the trail.\u003c\/p\u003e\u003cspan\u003eHigh-flow silicone bite valve\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eProtective dust cap guards mouthpiece from grime\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWide-mouth opening simplifies refills and cleaning\u003c\/span\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0685\/1785\/5303\/files\/Runner_using_water_filter_bottle_20260930135308.jpg?v=1790751362\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0685\/1785\/5303\/files\/Collapsed_water_filter_in_backpack_20260930135350.jpg?v=1790751439\"\u003e\u003cbr\u003e\u003cspan\u003eTrail Convenience\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003eTrail-Ready Anti-Loss Design\u003c\/h3\u003e\u003cp\u003eDesigned for active trail use with an integrated anti-loss wrist lanyard and secure screw-top seal. Perfect for fell runners, backpackers, cyclists, and wild campers seeking lightweight gear.\u003c\/p\u003e\u003cspan\u003eAnti-loss wrist lanyard for fast handling\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eZero batteries, cords, or chemical additives\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLightweight build reduces rucksack burden\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eInstant Hydration\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eDrink Pure Water in\u003cspan\u003e3 Easy Steps\u003c\/span\u003e\n\u003c\/h2\u003e\u003cp\u003ePurify freshwater from mountain streams and lakes in three quick, effortless steps.\u003c\/p\u003e\u003ch3\u003eFill the Soft Flask\u003c\/h3\u003e\u003cp\u003eScoop fresh water from any natural stream, river, lake, or tap through the generous wide-mouth opening.\u003c\/p\u003e\u003ch3\u003eScrew on the Filter Cap\u003c\/h3\u003e\u003cp\u003eSecurely screw on the 0.1-micron hollow-fibre filter cap to create a watertight, leak-proof seal.\u003c\/p\u003e\u003ch3\u003eSqueeze \u0026amp; Sip\u003c\/h3\u003e\u003cp\u003eUnclip the dust cover, bite down gently on the silicone valve, and squeeze the flask for instant, filtered refreshment.\u003c\/p\u003e\u003cspan\u003eGet Klentax Now\u003c\/span\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0685\/1785\/5303\/files\/Runner_holding_water_filter_bottle_20260930135334.jpg?v=1790751447\"\u003e\u003cbr\u003e\u003cdiv\u003eSeconds\u003c\/div\u003e\u003cdiv\u003eto scoop, filter, and drink fresh water\u003c\/div\u003e\u003cspan\u003eProduct Gallery\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eExplore\u003cspan\u003eKlentax\u003c\/span\u003ein Detail\u003c\/h2\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1631729371254-42c2892f0e6e?w=800\u0026amp;h=800\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1587614382346-4ec70e388b28?w=800\u0026amp;h=800\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1576091160550-2173dba999ef?w=800\u0026amp;h=800\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1583947215259-38e31be8751f?w=800\u0026amp;h=800\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/images.unsplash.com\/photo-1434030216411-0b793f4b4173?w=800\u0026amp;h=800\u0026amp;fit=crop\"\u003e\u003cbr\u003e\u003cspan\u003e50% OFF\u003c\/span\u003e\u003cbr\u003e\u003ch3\u003eKlentax Water Filter Bottle\u003c\/h3\u003e\u003cp\u003e1000ml Collapsible Portable Water Filter Bottle\u003c\/p\u003e\u003cspan\u003e(1,428 reviews)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e0.1-Micron Hollow-Fibre UF Membrane\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1000ml Collapsible Flexible TPU Flask\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSilicone Bite Valve \u0026amp; Protective Dust Cover\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBPA-Free with Anti-Loss Wrist Lanyard\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eClaim 50% Off\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFree UK Delivery\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e30-Day Guarantee\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eComparison\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eWhy Choose\u003cspan\u003eKlentax\u003c\/span\u003e?\u003c\/h2\u003e\u003cp\u003eSee how Klentax provides pure, instant hydration outdoors without cumbersome bottles, heavy pumps, or unpalatable chemical tablets.\u003c\/p\u003e\u003cspan\u003eFeature\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eKlentax Filter Bottle\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRigid Filter Bottles\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eChemical Tablets \u0026amp; Pumps\u003c\/span\u003e\u003cbr\u003e\u003ctd\u003eHydration Speed\u003c\/td\u003e\u003cspan\u003eInstant (Squeeze \u0026amp; Sip)\u003c\/span\u003e\u003cbr\u003e\u003ctd\u003eSlow Suction \/ Hard Sip\u003c\/td\u003e\u003ctd\u003e30+ Mins Wait Time\u003c\/td\u003e\u003ctd\u003eFiltration Precision\u003c\/td\u003e\u003cspan\u003e0.1-Micron Hollow-Fibre UF\u003c\/span\u003e\u003cbr\u003e\u003ctd\u003eStandard Carbon (0.2–2μm)\u003c\/td\u003e\u003ctd\u003eChemical \/ Basic Screen\u003c\/td\u003e\u003ctd\u003eCollapsible 1000ml TPU Soft Flask\u003c\/td\u003e\u003ctd\u003eBacteria \u0026amp; Protozoa Removal\u003c\/td\u003e\u003ctd\u003eProtective Dust Cap \u0026amp; Silicone Bite Valve\u003c\/td\u003e\u003ctd\u003ePackability \u0026amp; Weight\u003c\/td\u003e\u003ctd\u003eHeavy \/ Rigid Plastic\u003c\/td\u003e\u003ctd\u003ePacked Volume\u003c\/td\u003e\u003cspan\u003eFlattens completely empty\u003c\/span\u003e\u003cbr\u003e\u003ctd\u003eBulky fixed 1L container\u003c\/td\u003e\u003ctd\u003eBulky pump kits \u0026amp; bottles\u003c\/td\u003e\u003cspan\u003eGet Klentax - 50% Off\u003c\/span\u003e\u003cbr\u003e\u003cdiv\u003e99.99%\u003c\/div\u003e\u003cp\u003eBacteria \u0026amp; protozoa filtration\u003c\/p\u003e\u003cdiv\u003e0.1 μm\u003c\/div\u003e\u003cp\u003eHollow-fibre membrane pore size\u003c\/p\u003e\u003cdiv\u003e1000ml\u003c\/div\u003e\u003cp\u003eCapacity in lightweight soft flask\u003c\/p\u003e\u003cp\u003e4.9 out of 5 based on 1,428+ verified UK hikers \u0026amp; campers\u003c\/p\u003e\u003ch2\u003eLoved by Over\u003cspan\u003e15,000+\u003c\/span\u003eUK Explorers\u003c\/h2\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0685\/1785\/5303\/files\/Water_filter_bottle_review_photo_20260930135749.jpg?v=1790752240\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0685\/1785\/5303\/files\/Unboxing_water_filter_bottle_20260930140041.jpg?v=1790752261\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0685\/1785\/5303\/files\/Water_filter_bottle_review_photo_20260930135852.jpg?v=1790752813\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0685\/1785\/5303\/files\/Unboxing_water_filter_bottle_20260930135943.jpg?v=1790752253\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0685\/1785\/5303\/files\/Water_filter_bottle_review_photo_20260930135754.jpg?v=1790752268\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0685\/1785\/5303\/files\/Water_filter_bottle_unboxing_review_20260930140053.jpg?v=1790752287\"\u003e\u003cbr\u003e\u003cp\u003e\"Took Klentax on a multiday hike across Scafell Pike. Filled straight from mountain becks without a second thought. The squeeze flow is brilliant, the water tasted crisp and fresh, and it rolls up to nothing in my rucksack!\"\u003c\/p\u003e\u003cdiv\u003eO\u003c\/div\u003e\u003cdiv\u003eOliver B.\u003c\/div\u003e\u003cspan\u003eAmbleside, Lake District\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eVerified Purchase\u003c\/span\u003e\u003cbr\u003e\u003cp\u003e\"An absolute game changer along the Cairngorms trails. No more lugging three litres of heavy water up steep ascents. You just scoop from a clean burn, squeeze, and drink. The silicone valve and dust cap work brilliantly.\"\u003c\/p\u003e\u003cdiv\u003eF\u003c\/div\u003e\u003cdiv\u003eFiona M.\u003c\/div\u003e\u003cspan\u003eAviemore, Highlands\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eVerified Purchase\u003c\/span\u003e\u003cbr\u003e\u003cp\u003e\"Fantastic bit of kit for trail running and wild camping. The 1000ml flask fits easily into my running vest and collapses down as I drink. Clean, crisp water without any bitter chemical tablet taste. Highly recommended!\"\u003c\/p\u003e\u003cdiv\u003eD\u003c\/div\u003e\u003cdiv\u003eDavid W.\u003c\/div\u003e\u003cspan\u003eBetws-y-Coed, Eryri (Snowdonia)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eVerified Purchase\u003c\/span\u003e\u003cbr\u003e\u003cdiv\u003e4.9\u003c\/div\u003e\u003cspan\u003e1,428+ Reviews\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e98% Recommend\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTop Outdoor Gear 2026\u003c\/span\u003e\u003cbr\u003e\u003ca\u003eGet 50% Off\u003c\/a\u003e\u003cbr\u003e\u003ch3\u003e30-Day Money-Back Guarantee\u003c\/h3\u003e\u003cp\u003eTake Klentax on your next British outdoor expedition with absolute confidence. If you are not entirely satisfied with its filtration performance, ease of use, or build quality, return it within 30 days for a full UK refund. No hassle.\u003c\/p\u003e\u003cspan\u003eNo Questions Asked\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFull UK Refund\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHassle-Free Returns\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFAQ\u003c\/span\u003e\u003cbr\u003e\u003ch2\u003eFrequently Asked\u003cspan\u003eQuestions\u003c\/span\u003e\n\u003c\/h2\u003e\u003cp\u003eEverything you need to know about pure, safe outdoor hydration with the Klentax Water Filter Bottle.\u003c\/p\u003e\u003cspan\u003eWhat water sources can I use with Klentax in the UK?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eKlentax is engineered for natural freshwater sources including rivers, streams, lakes, tarns, and rural taps. Its 0.1-micron hollow-fibre ultrafiltration membrane removes sediment, bacteria, and protozoa. Please note it is not intended for seawater or chemically contaminated industrial water.\u003c\/p\u003e\u003cspan\u003eHow quickly can I filter water on the trail?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eGetting fresh water takes seconds. Simply scoop water into the wide-mouth opening, screw on the transparent filter cap, flip the protective dust cover, and squeeze the flexible flask to drink directly through the silicone bite valve.\u003c\/p\u003e\u003cspan\u003eDoes Klentax require batteries or chemical tablets?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eNo. Klentax operates purely on natural mechanical ultrafiltration and direct squeeze pressure. There are zero batteries to charge, no moving levers to break, and no harsh chemical chlorine tablets required.\u003c\/p\u003e\u003cspan\u003eIs the flexible flask material safe and durable?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eYes, absolutely. The flask body is crafted from high-grade, flexible food-contact TPU that is 100% BPA-free. It imparts no plastic taste and is robustly engineered to withstand being squeezed, rolled, and packed repeatedly.\u003c\/p\u003e\u003cspan\u003eHow compact is Klentax when empty?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eWhen full, Klentax holds a generous 1000ml of water. When empty, the supple TPU flask can be rolled or flattened down almost completely flat, sliding easily into your pocket or rucksack side pouch.\u003c\/p\u003e\u003cspan\u003eWhat if Klentax does not suit my outdoor needs?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eEvery Klentax bottle is backed by our 30-day money-back guarantee. If you are not completely satisfied with its filtration performance, ease of use, or build quality on your outdoor trips, return it for a full UK refund.\u003c\/p\u003e\u003cspan\u003eHow do I maintain and clean the hollow-fibre filter?\u003c\/span\u003e\u003cbr\u003e\u003cp\u003eTo clean, gently backwash the filter with clean tap water to dislodge accumulated sediment and debris. The transparent filter housing lets you inspect the membrane at any time so you always know your filter is clean and ready.\u003c\/p\u003e\u003ch2\u003eReady to Drink Safe, Pure Water Wherever You Roam?\u003c\/h2\u003e\u003cp\u003eJoin thousands of UK hikers, fell runners, wild campers, and adventurers who stay hydrated with Klentax. Order now and enjoy your limited-time 50% discount.\u003c\/p\u003e\u003cspan\u003eGet 50% Off Today\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFree UK Delivery\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e30-Day Money-Back Guarantee\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e4.9\/5 UK Customer Rating\u003c\/span\u003e","brand":"TraiVault","offers":[{"title":"Limited Offer","offer_id":49014050881607,"sku":"DK01717116","price":88.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/1785\/5303\/files\/klentax-img-08.png?v=1790750617","url":"https:\/\/trailvault.co.uk\/products\/klentax-1000ml-collapsible-water-filter-bottle-uk","provider":"TrailVault","version":"1.0","type":"link"}