{"title":"Equipment - Outdoor kitchen - Water treatment - Water filters","description":"","products":[{"product_id":"katadyn-pocket-filter-010419","title":"Pocket Filter","description":"The Pocket Filter from Katadyn is a classic for safe and long-term use, as it is very robust and hard-wearing. Its functional principle is simple: the mini-pores of the filter ceramic are smaller than the microorganisms. Thanks to the silver with which it is impregnated, its high-quality ceramic filter element provides effective protection against dangerous pathogens such as bacteria, protozoa and other pathogens (including e-coli), even in very cloudy water. You can easily clean it on the go. This makes it easy to regenerate even after long periods of activity. This ensures safe drinking water anytime and anywhere. Even the most extreme conditions and professional use cannot harm the filter. This is why the Pocket is also part of the standard equipment of extreme adventurers like Mike Horn. The product, which comes with a pre-filter, bottle clip and matching bag, is guaranteed for 20 years. With the included measuring gauge, you can easily check when the filter element is used up and needs to be replaced. For many, the Pocket is the ultimate in water filters! ","brand":"Katadyn","offers":[{"title":"§100051 \/ ONE SIZE","offer_id":57516091769167,"sku":"010419-001001","price":399.9,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/2328\/6095\/files\/1200024.jpg?v=1776761117"},{"product_id":"katadyn-befree-gravity-water-filtration-system-3l-309356","title":"BeFree Gravity Water Filtration System 3L","description":"The BeFree Gravity Water Filtration System 3L from Katadyn is a hollow fiber filter with a three-liter water bag that uses gravity to purify up to two liters of clean drinking water per minute - without the hassle of pumping. During the filtering process, the water passes through the 0.1 micron hollow fiber filter, which reliably removes bacteria, cysts and sediment. You can then collect the filtered water in a separate drinking bottle, canister or water bag. With the practical hanging and carrying strap, you can transport the filter lightly or hang it from a tree when in use. The outlet tube can be easily removed via a quick-release valve with automatic stop valve so that it does not come into contact with contaminated water when refilling. The materials are all BPA and PVC-free and food-safe. Cleaning the filter is easy: the EZ-Clean membrane can be cleaned simply by shaking or swirling it in the water - no backwashing or aids required. The service life of the replaceable BeFree filter element is up to 1,000 liters (depending on the water quality). The BeFree Gravity Water Filtration System 3L is ideal for supplying water for your outdoor adventures far away from civilization - so off you go on your next adventure!","brand":"Katadyn","offers":[{"title":"§100053","offer_id":57520646455631,"sku":"309356-001","price":99.9,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/2328\/6095\/files\/1982483.jpg?v=1776753172"},{"product_id":"katadyn-vario-filter-048421","title":"Vario Filter","description":"With the Katadyn Vario you are prepared for all situations. Whether the water is clear, cloudy or smelly, the pump filter solves every problem. This Katadyn pump filter relies on ceramic as an easy-to-clean pre-filter and on glass fiber as a microbiological filter with low resistance. The ceramic pre-filter is particularly recommended for cloudy water. It is faster without the ceramic filter, which also increases the pumping capacity. The filter also has replaceable activated carbon granulate inside. This keeps bad tastes and chemicals to a minimum. Thanks to the double-stroke pump, the power is continuous with minimal effort. The Vario can also be connected to many available drinking bottles and drinking backpacks. Accessories include a suction hose, ceramic pre-filter, bottle clip and a suitable carrying bag. ","brand":"Katadyn","offers":[{"title":"§100051 \/ ONE SIZE","offer_id":57523203604815,"sku":"048421-001001","price":139.9,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/2328\/6095\/files\/1202580.jpg?v=1776761020"},{"product_id":"katadyn-befree-gravity-filter-6l-321428","title":"BeFree Gravity Filter 6L","description":"The Katadyn BeFree Gravity Filter 6L ensures clean water on the go thanks to its clever design and modern EZ-Clean membrane. With an impressive flow rate of up to two liters per minute, drinking water is obtained that is reliably cleaned of bacteria, cysts and sediment. The filter system works solely with the force of gravity and saves you the hassle of pumping.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003ePractical details such as a viewing window on the filter bag and a removable outlet hose with quick-release valve make it particularly easy to use. Another plus point is the robust carrying strap, which makes it easy to transport and hang up the filled bag. The EZ-Clean membrane is also easy to clean - a few swivel movements are all it takes to keep it in good shape. With a capacitiy of up to 1000 liters, you are well equipped for any outdoor tour.","brand":"Katadyn","offers":[{"title":"§100053","offer_id":57525206319439,"sku":"321428-001","price":90.9,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/2328\/6095\/files\/2107299.jpg?v=1776754034"},{"product_id":"katadyn-explorer-filter-330231","title":"Explorer Filter","description":"The Katadyn Explorer is a versatile water filter for tours where you want to save weight and still reliably obtain clean water. Unlike the Explorer Pro, it comes without an integrated virus filter and is therefore lighter and cheaper.\u003c\/p\u003e\u003cp\u003eThe ceramic filter cartridge is durable and easy to clean. You can use or omit the activated carbon element as required. It improves the taste of the water and reduces odors - ideal for long tours or changing water sources.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe filter can also be upgraded to the Explorer Pro at any time with the optional upgrade kit. This allows you to flexibly adapt the system to your adventures. A robust steel pump plunger ensures a long service life. The pump clip with integrated tool makes maintenance easier. A pressure relief valve is installed at the inlet, which makes handling safe and protects the filter.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eWhether trekking, bikepacking or traveling - the Katadyn Explorer offers you a light, adaptable water treatment solution that you can rely on.","brand":"Katadyn","offers":[{"title":"§100003 \/ -","offer_id":57525912502607,"sku":"330231-001","price":319.9,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/2328\/6095\/files\/2285607.jpg?v=1777318031"},{"product_id":"lifestraw-peak-membrane-microfilter-replacement-306161","title":"Peak Membrane Microfilter Replacement","description":"The Peak Membrane Microfilter Replacement from LifeStraw is a replacement filter for the Peak Filter Gravity System and the Peak Series bottles, which can also be used individually as a drinking straw. It protects against 99.9 percent of bacteria (including E. coli and salmonella) and parasites (including giardia and cryptosporidium). The Peak Membrane Microfilter also filters out 99.9 percent of microplastics, silt, sand and turbidity and improves the taste of the water. Thanks to LifeStraw's Give Back Program, for every product sold, a child in need gets access to clean drinking water for a whole year.","brand":"LifeStraw","offers":[{"title":"DG \/ -","offer_id":57526865232207,"sku":"306161-001","price":28.9,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/2328\/6095\/files\/1949939.jpg?v=1776756229"},{"product_id":"msr-guardian-wasserentkeimer-110296","title":"Guardian Wasserentkeimer","description":"The patent-pending MSR Guardian water purification filter (pump) is designed to provide the safest and easiest way to purify water anywhere in the world. Developed in conjunction with the US military, the Guardian is based on the latest technology. It took six years to develop and it was worth it. It can be used in different types of water. The mechanical hollow fiber filter system with a pore size of just 0.02 micrometers reliably removes everything from dirt particles to bacteria and even viruses from the water, providing you with safe drinking water, even in the most remote corners of the world. The portable water filter is therefore particularly valuable for travelers abroad, globetrotters, backpackers, rescue services and on expeditions. The MSR Guardian purifies 2.5 liters per minute and at least 10,000 liters in total. And all without chemicals, lights or batteries. The filter can be screwed directly onto numerous commercially available water bags or bottles with a large opening. The entire filter system is self-cleaning! With every pumping movement, 10 percent of the water drawn in is used to remove the impurities from the filter and rinse them out through the dirty water outlet hose. Backwashing or even mechanical filter cleaning is no longer necessary - the water flow is ensured at all times. Maintenance problems and user errors are a thing of the past. Not only is the Guardian's housing extremely hard-wearing, the filter itself can withstand temperatures of up to 70° Celsius and well below freezing. It can also withstand drops from a height of 1.80 meters and forces of up to 136 kilograms. It can be packed very compactly and small. A really robust, handy drinking water supplier with the best water quality. ","brand":"MSR","offers":[{"title":"§100051 \/ ONE SIZE","offer_id":57527129932111,"sku":"110296-001001","price":299.9,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/2328\/6095\/files\/1460450.jpg?v=1776761065"},{"product_id":"katadyn-befree-gravity-filter-10-l-209182","title":"BeFree Gravity Filter 10 L","description":"The BeeFree Gravity 10L weighs a straight 284 grams and uses gravity to prepare up to 2 liters of clean drinking water per minute. The foldable water bag takes up hardly any space. Handling the water filter is particularly easy: the filter bag simply needs to be filled with water. The water level can always be clearly seen through the viewing window with scale. Thanks to gravity, there is no need to pump. During the filtering process, the water passes through the 0.1 micron (0.0001 mm) hollow fiber filter, which reliably removes bacteria, cysts and sediment. The power of the filter depends on the height difference between the filter and the tank. The filtered water is collected in a separate canister, water bag or bottle, and cleaning is also easy: the EZ-Clean membrane can be cleaned simply by shaking or swirling it in the water. No backwashing or aids are required. The service life of the replaceable BeFree filter element is up to 1000 liters, depending on the water quality. Of course, all is free from BPA and PVC. The filter can be easily transported with the hanging and carrying strap and hung on a tree in the camp. The outlet hose can be easily removed using a quick-release valve with an automatic drain stop, so that it does not come into contact with contaminated water when refilling.","brand":"Katadyn","offers":[{"title":"§100053","offer_id":57527154311503,"sku":"209182-001","price":149.9,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/2328\/6095\/files\/1757882.jpg?v=1776756440"},{"product_id":"lifestraw-peak-collapsible-squeeze-bottle-650ml-306506","title":"Peak Collapsible Squeeze Bottle 650ml","description":"The Peak Collapse Squeeze Bottle 650ml from LifeStraw is the perfect drinking bottle for your adventures in nature or for everyday use. The robust and abrasion-resistant material is leak-proof, BPA-free and FDA-approved. The drinking bottle is versatile and can be used as a drinking bottle, straw or squeeze system and has a high-quality microfilter that filters bacteria, parasites, microplastics, chlorine and sludge up to 99.999999 percent. Whether trekking, camping or on day trips - the Peak Collapse Squeeze Bottle is the perfect companion. The filter can be attached to the outside of the bottle as well as inside the bottle and is compatible with standard water bottle or PET bottle threads as well as with other Peak systems. With its smart-steal mouthpiece, sealing cap and threaded cap, the bottle is practical and light to handle. The filter membrane is designed for up to 2,000 liters of water and ensures a refreshing drinking experience with a flow rate of three liters per minute. With the Peak Collapse Squeeze Bottle, you always have fresh water with you, whether you squeeze or prefer to squeeze!","brand":"LifeStraw","offers":[{"title":"MB","offer_id":57527227580751,"sku":"306506-001","price":54.9,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/2328\/6095\/files\/2030392.jpg?v=1776755954"},{"product_id":"lifestraw-go-water-filter-bottle-650-ml-318675","title":"Go Water Filter Bottle 650 ml","description":"\u003cp\u003eThe Go Water Filter Bottle 650 ml from LifeStraw is the ideal \u003cstrong\u003edrinking bottle\u003c\/strong\u003e for anyone who wants a convenient supply of \u003cstrong\u003eclean drinking water\u003c\/strong\u003e on the go. The range of impurities that can be found in drinking water today is extensive and complex. Sometimes bacterial parasites pose a challenge, other times it's lead, PFAS, various chemicals, drug residues and - frankly - often just the taste.\u003c\/p\u003e\u003cp\u003eThe Go Water Filter Bottle solves all of these problems in one. It has \u003cstrong\u003etwo filters\u003c\/strong\u003e on board. The \u003cstrong\u003emembrane microfilter\u003c\/strong\u003e removes 99.999 percent of bacteria and parasites. The \u003cstrong\u003eactivated carbon filter\u003c\/strong\u003e protects against chlorine, organic chemical substances, sand, dirt and turbidity and \u003cstrong\u003eimproves the taste\u003c\/strong\u003e. All LifeStraw filters are rigorously tested by independent laboratories and our own ISO-certified laboratory to meet the protocols set by the US Environmental Protection Agency (EPA) and NSF International\/ANSI.\u003c\/p\u003e\u003cp\u003eBoth \u003cstrong\u003efilter elements are easy to replace\u003c\/strong\u003e - the membrane microfilter has a service life of up to 4,000 liters and the activated carbon filter should be replaced after filtering 100 liters. Handling the bottle is extremely simple: fill, assemble and enjoy straight away. The bottle itself is made of food-safe, 50% recycled plastic. The cap can be opened and closed effortlessly and thanks to the \u003cstrong\u003ewide opening\u003c\/strong\u003e, the bottle is light to fill or clean. The \u003cstrong\u003esilicone mouthpiece\u003c\/strong\u003e also ensures a smooth flow without any spillage.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003esustainability\u003c\/strong\u003eof the Go Water Filter Bottle is particularly noteworthy. Thanks to the high-performance filters, you can save \u003cstrong\u003eup to 8,000 disposable plastic water bottles\u003c\/strong\u003e. So you're not only doing something good for yourself, but also protecting the environment. And best of all: LifeStraw is committed to social projects and ensures that every product sold provides a child in need with safe water for an entire school year.\u003c\/p\u003e\u003cp\u003eWhether in everyday life, when traveling or on multi-day trekking tours, with the LifeStraw Go Water Filter Bottle 650 ml you have the freedom to enjoy clean water anywhere in the world. A drinking bottle that does more than just quench your thirst - it changes the world one sip at a time.\u003c\/p\u003e","brand":"LifeStraw","offers":[{"title":"IB","offer_id":57527364845903,"sku":"318675-002","price":59.9,"currency_code":"CHF","in_stock":false},{"title":"LT","offer_id":57527364878671,"sku":"318675-003","price":59.9,"currency_code":"CHF","in_stock":false},{"title":"NN","offer_id":57527364911439,"sku":"318675-004","price":59.9,"currency_code":"CHF","in_stock":false},{"title":"AS","offer_id":57527364944207,"sku":"318675-001","price":59.9,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/2328\/6095\/files\/2072846.jpg?v=1776753444"},{"product_id":"katadyn-befree-filter-ac-10l-330227","title":"BeFree Filter AC 1.0L","description":"The BeFree AC 1.0L from Katadyn is a reliable water filter for on the go that reduces harmful substances and improves the taste. Thanks to the combination of hollow fiber membrane and activated carbon filter, it not only removes bacteria and protozoa, but also reduces chemicals, unpleasant odors and flavors - for clear and safe drinking water in any environment.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe one-liter collapsible container made of flexible, robust material can be stowed away in a backpack to save space and is perfect for hiking, trekking or emergency preparedness. The fast flow rate of up to two liters per minute makes it possible to filter water directly from rivers, lakes or other natural sources - simply fill, squeeze and drink.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThanks to the EZ-Clean membrane, cleaning is particularly easy: the filter can be cleaned by simply shaking or rinsing it, without the need for additional tools. This ensures that the functions are reliably maintained even on long tours.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eWith its low weight and compact design, the BeFree AC 1.0L is a good choice for anyone who wants to rely on clean drinking water - whether camping, traveling or in emergency situations.","brand":"Katadyn","offers":[{"title":"§100002","offer_id":57527897096527,"sku":"330227-001","price":64.9,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/2328\/6095\/files\/2194400.jpg?v=1777318065"},{"product_id":"lifestraw-peak-collapsible-squeeze-bottle-1l-306159","title":"Peak Collapsible Squeeze Bottle 1L","description":"The Peak Collapse Squeeze Bottle 1L from LifeStraw is the perfect companion for your outdoor adventures or everyday life. The leak-proof, robust and collapsible drinking bottle is equipped with a high-quality microfilter that filters up to 99.999999 percent of bacteria, parasites, microplastics and sludge. The material of the squeeze bottle is abrasion-resistant, BPA-free and FDA-approved. You can use it in many ways - as a drinking bottle, straw or squeeze system. The filter can be attached in or on the bottle and is compatible with standard water bottle and PET bottle threads, as well as other Peak systems. With a flow rate of 3 liters per minute and a filter membrane for up to 2,000 liters of water, the Peak Collapse Squeeze Bottle provides a refreshing drinking experience. The drinking bottle is equipped with a smart-steal mouthpiece, a sealing cap and a threaded cap. Its practical backwash syringe makes it easy to clean the filter. The Squeeze Bottle is compact and light, making it ideal for trekking tours, camping trips or all-day outings. One squeeze, please! With the Peak Collapse Squeeze Bottle you always have fresh and filtered water with you.","brand":"LifeStraw","offers":[{"title":"MB","offer_id":57528255119695,"sku":"306159-001","price":59.9,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/2328\/6095\/files\/2030491.jpg?v=1776755946"},{"product_id":"katadyn-explorer-pro-filter-330232","title":"Explorer Pro Filter","description":"The Explorer Pro filter from Katadyn is an innovative water filter that combines three filter technologies in one system. Depending on the situation, the activated carbon element and the viruses hollow fiber membrane can be inserted or removed individually - for maximum flexibility when trekking, on expeditions or in an emergency.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe ceramic filter cartridge is durable and easy to clean, the activated carbon improves taste and reduces odors, while the virus stage reliably retains even the finest pathogens. The Explorer Pro thus protects against bacteria, protozoa, microplastics, chlorine and even viruses.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThanks to the steel pump plunger, the system is robust and designed for continuous use. An integrated tool on the pump clip facilitates maintenance on the go. The pressure relief valve at the inlet provides additional protection for the system. The filter elements can be stored separately in a dry place between activities.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe Katadyn Explorer Pro is therefore a tailor-made, highly flexible solution for all those who need clean drinking water even in challenging situations.","brand":"Katadyn","offers":[{"title":"§100003 \/ -","offer_id":57528654987599,"sku":"330232-001","price":519.9,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/2328\/6095\/files\/2285615.jpg?v=1777318131"},{"product_id":"katadyn-combi-filter-inkl-plus-zusatzset-160359","title":"Combi Filter inkl. Plus Zusatzset","description":"Wherever you are in the world, the Katadyn Combi Filter ensures you always have drinking water. The ceramic filter with replaceable activated carbon stage purifies one liter of water per minute without chemicals. This means you can provide yourself and up to two other people with drinking water, no matter how often. The result is safe, tasty and odorless water. And thanks to the tap connection kit supplied, the filter can also be used in accommodation, on a boat or in a hut. ","brand":"Katadyn","offers":[{"title":"ONE SIZE \/ §100001","offer_id":57529126256975,"sku":"160359-001","price":299.9,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/2328\/6095\/files\/1477486.jpg?v=1776761118"},{"product_id":"katadyn-drip-filter-ceradyn-010423","title":"Drip Filter Ceradyn","description":"The Katadyn Drip Ceradyn is a gravity filter for stationary activities that allows the water to flow easily through three ceramic filters without pumping, so that it can then be easily removed using the drain tap. There is no need for a lot of effort here, and even large quantities of water are no problem, as the storage tank holds 10 liters. Three particularly durable ceramic filter elements are included. The proven ceramic depth filter removes bacteria, protozoa and other pathogens - the microorganisms are larger than the mini-pores of the ceramic filter and are retained on or in the filter element. In contrast to disposable filters, the ceramic can be cleaned several times - cleaning is also easy on the go. This means you can use the filter for longer and have lower operating costs. The drip filter is often used in the activities of international aid organizations as group equipment for water treatment. However, it is also ideal for hunting, fishing or mountain huts without a direct water connection. With the included measuring gauge, you can easily check when the filter element is used up and needs to be replaced. ","brand":"Katadyn","offers":[{"title":"§100051 \/ ONE SIZE","offer_id":57529214075215,"sku":"010423-001001","price":449.9,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/2328\/6095\/files\/1461479.jpg?v=1776761061"},{"product_id":"katadyn-befree-ac-bottle-07l-341927","title":"BeFree AC Bottle 0.7L","description":"The Katadyn BeFree AC Bottle 0.7L is an innovative drinking bottle with an integrated water filter that ensures fresh, clean water everywhere - whether you're traveling, doing sports, at the office or hiking.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe filter system combines a hollow fiber membrane that reliably removes bacteria, protozoa and microplastics with an activated carbon filter that improves taste and odor and reduces chlorine. This means you can drink water from almost any source without hesitation - whether from the tap, a stream or a lake.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe BeFree AC Bottle is light to clean and reusable, making it an environmentally friendly alternative to disposable bottles. Light, robust and easy to use - ideal for outdoor enthusiasts who don't want to miss out on safe drinking water when they're out and about.","brand":"Katadyn","offers":[{"title":"§100004","offer_id":57529641075023,"sku":"341927-001","price":54.9,"currency_code":"CHF","in_stock":false},{"title":"§100005","offer_id":57529641107791,"sku":"341927-002","price":54.9,"currency_code":"CHF","in_stock":false},{"title":"§100006","offer_id":57529641140559,"sku":"341927-003","price":54.9,"currency_code":"CHF","in_stock":false},{"title":"§100007","offer_id":57529641173327,"sku":"341927-004","price":54.9,"currency_code":"CHF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/2328\/6095\/files\/2274849.jpg?v=1776748712"},{"product_id":"lifestraw-go-stainless-steel-filter-bottle-710-ml-318677","title":"Go Stainless Steel Filter Bottle 710 ml","description":"\u003cp\u003eThe Go Stainless Steel Filter Bottle 710 ml from LifeStraw is a \u003cstrong\u003edouble-walled, vacuum-insulated stainless steel water bottle\u003c\/strong\u003e that ensures you always have \u003cstrong\u003eclean, filtered drinking water\u003c\/strong\u003e to hand. The quantity of impurities found in tap water today is large and complex. Sometimes bacteria or parasites are the problem, sometimes lead, PFAS, chemicals, pharmaceuticals and - let's face it - often just the taste.\u003c\/p\u003e\u003cp\u003eEquipped with an advanced \u003cstrong\u003etwo-stage filter\u003c\/strong\u003e, this drinking bottle offers the perfect solution. The dual filter not only removes 99.999 percent of bacteria, viruses and parasites, but also protects against chlorine, organic chemicals, sand, dirt and turbidity. It also improves the taste of the water. Both filters are \u003cstrong\u003elight to replace\u003c\/strong\u003e - the membrane microfilter can handle up to 4,000 liters and the activated carbon filter up to 100 liters - after which you should replace them. Operation is child's play: simply fill up, assemble and drink. The double-walled vacuum insulation keeps the contents refreshingly cold or warm for hours.\u003c\/p\u003e\u003cp\u003eAll LifeStraw filters are rigorously tested by independent laboratories and an in-house ISO-certified lab to meet protocols set by the U.S. Environmental Protection Agency (EPA) and NSF International\/ANSI.\u003c\/p\u003e\u003cp\u003eThanks to the Go Stainless Steel Filter Bottle, you no longer need disposable plastic bottles and can easily drink \u003cstrong\u003ewater from a lake, river or tap on the go\u003c\/strong\u003e. Not only are you doing something good for your health, but you're also helping to protect the environment. What's more, your purchase has a positive impact: for every LifeStraw product purchased, a schoolchild in need receives clean drinking water for a whole year.\u003c\/p\u003e\u003cp\u003eWhether for everyday use, when traveling or on extended hiking tours - say goodbye to dubious water sources and say hello to the era of drinking freedom. 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