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Hike & Camp > Hydration > Water Filters & Purification
Water Filters & Purification ON SALE

Products
CamelBak All Clear Pre-Filter CamelBak All Clear Pre-Filter
Before you use your Camelbak All Clear ultraviolet system to zap the micro-organisms out of your freshly-gathered water, get rid of any solid particles with this compatible pre-filter.
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$14.95
Sale Price: $11.21
Hydro Photon SteriPEN Adventurer Opti Hydro Photon SteriPEN Adventurer Opti
Destroy harmful waterborne bacteria in your water with the Hydro-Photon SteriPEN Adventurer Opti. The SteriPEN uses UV light to kill giardia, cryptosporidium, bacteria, and viruses in just a few seconds, so you can stay hydrated on the trail without having to worry about getting sick. And at a scant 3. 6 ounces and 6 inches long, the Adventurer Opti won't weigh you down or use up a ton of valuable pack space.
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$89.95
Sale Price: $78.47
Katadyn Base Camp Pro 10L Water Filter Katadyn Base Camp Pro 10L Water Filter
The last thing you want to do after hiking eight miles to camp just before sundown is waste your energy--dividing it between pumping away for clean water and trying to start a fire. Save your strength by doing both at the same time with the Katadyn Base Camp Pro 10L Water Filter. Just fill the reservoir, hang it from a nearby branch, and let gravity do the rest, freeing you up to focus on getting that fire sparked. The Base Camp Pro 10L reliably filters bacteria, cysts, and sediment at a rate of two liters per minute, so you'll have fresh water for the whole group before you can even put flint to tinder. With the water level indicator window, you'll easily anticipate when the next trip to the creek or lake needs to be made for another batch of fresh H2O. And when that time does come, just remove the tube with the simple quick release valve before heading to the source, as to prevent it from coming in contact with the contaminated water. Don't worry about that freshly purified water spilling onto the ground either, because this filter is equipped with an automatic shutoff. With regular maintenance and proper cleaning, the Base Camp Pro's Ultra Flow glass-fiber filter purifies up to 1,500 liters of water in its lifetime. However, if you don't do such a hot job of keeping the filter itself clean, Katadyn offers a One-Year AntiClog guarantee.
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$99.95
Sale Price: $90.36
Katadyn Base Camp Upgrade Kit Katadyn Base Camp Upgrade Kit
Katadyn's Base Camp Upgrade Kit gives your old Base Camp filter a faster flow. The included microfilter replacement cartridge removes bacteria and cysts like giardia and cryptosporidium.
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$59.95
Sale Price: $58.47
Katadyn BeFree Water Filtration System Katadyn BeFree Water Filtration System
Do you ever wish that you could drink from crystal clear creeks, alpine lakes, or mountain streams' Well, you can when you bring the Katadyn BeFree Water Filtration System on your next adventure. This compact water bottle with integrated filter makes a great choice for outdoor pursuits and travels to faraway places where tap water is suspect. Instead of lugging around a bulky pack loaded with a full day's worth of water, just bring this lightweight and compact bottle along with you. Simply fill up the flask and let the EZ-Clean Membrane do all the work. It's effective against microorganisms and even suitable for cloudy water. And when it's not filled, the collapsible bottle packs up small so you can stash it in tight spaces.
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$39.95
Sale Price: $39.93
Katadyn Gravity Camp 6L Water Filter Katadyn Gravity Camp 6L Water Filter
Katadyn's Gravity Camp 6L Water Filter is definitely the lazy man's filter, but that's only because the lazy man has figured out what the rough-and-tough pump fanatic is still learning: you can get crisp, clear, and clean water without actually having to pump until your arm falls off. The Gravity Camp uses a--wait for it--gravity-driven filter system that removes bacteria, cysts, and sediment from up to two liters of water every minute, so you can have a full six liters ready to go in the time it takes you to set up a camp chair in the shade. If you keep the filter protector clean, the Ultra Flow glass-fiber filter can clean up to 1,500L of H2O before it needs to be replaced. The tube also comes off easily via a quick-release valve to prevent contamination, and it has an automatic shutoff to keep your fresh agua from spilling onto the ground.
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$89.95
Sale Price: $85.90
Katadyn Hiker Pro Water Microfilter Katadyn Hiker Pro Water Microfilter
A quick stop at a river or stream with the pump-action Katadyn Hiker Pro Water Microfilter lets you continue on your long trek with hydration packs and water bottles full of clean, clear drinking water. Carrying gallons of water isn't necessary when you have reliable water sources and are carrying this durable 11-ounce water microfilter in your backpack. Since it connects directly to your hydration pack and water bottles, you spend more time on the trail and less time fiddling with your water supply.
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$84.95
Sale Price: $59.46
Katadyn Hiker Water Microfilter Katadyn Hiker Water Microfilter
Stay healthy and comfortably hydrated as you hike through large patches of wilderness thanks to the pump-action Katadyn Hiker Water Microfilter. Long backpacking trips require lots of water, and carrying this Backpacker Magazine-approved, eleven-ounce microfilter works much better than carrying ten gallons of water on your back. Easy to use and clean in the field, this reliable microfilter transforms random water sources into thirst-quenching satisfaction throughout your long trek or backpacking trip.
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$69.95
Sale Price: $55.96
Katadyn Micropur Purification Tablets - 30-Pack Katadyn Micropur Purification Tablets - 30-Pack
Katadyn Micropur MP1 is the latest addition to Katadyn's Ultralight Series. This little tablet does it all. Micropur MP1 is the only product of its kind, EPA registered as a microbiological water purifier. Micropur MP1 tablets release chlorine dioxide, the same substance used in municipal drinking water plants worldwide. So not only is the water safe to drink, it also tastes great. Tablets are individually sealed for longest shelf life (5 years). Each of the 30 tablets included treats 1 liter of water. Wait time is as follows: 15 minutes for Viruses and Bacteria in all water, 30 minutes for Crypto and Giardia in normal water (60oF, clear water), and 4 hours for Crypto in worst case water (39o F, very dirty, slightly acidic water, i. e. the kind you'd want to double pump with a purifier). **INCLUDES 30 TABLETS.
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$13.95
Sale Price: $12.94
Katadyn Mini Ceramic Microfilter Katadyn Mini Ceramic Microfilter
If carrying twenty gallons of water over endless miles doesn't sound appealing, reach into your coat pocket and pull out the Katadyn Mini Ceramic Microfilter at the creek instead. Fitting just about anywhere, the Mini lives up to its name and is an ideal choice for travel, backpacking, and ultralight excursions. A 0. 2-micron ceramic depth filter is field-cleanable and pumps out a generous 1,849 gallons of water before needing replacement.
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$109.95
Sale Price: $93.02
Katadyn MyBottle Purifier Bottle Katadyn MyBottle Purifier Bottle
It doesn't look like much. That's the point. The Katadyn MyBottle Purifier is simple, but it gets the job done so well that it's the only EPA-registered bottle purification system available. Katadyn uses 3 Stage Virustat purification technology with activated carbon to remove bacteria (like giardia), viruses (like ebola), and cysts (bleah). The MyBottle Purifier is compact and lightweight, so it's perfect for camping, hiking, and travel to third-world countries.
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$59.95
Sale Price: $35.33
Katadyn Pocket Water Filter Replacement Cartridge Katadyn Pocket Water Filter Replacement Cartridge
Even if your water filter doesn't need a new cartridge, it's always smart to have Katadyn Pocket Water Filter Replacement Cartridge on standby.
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$199.95
Sale Price: $159.96
Katadyn Shower Adaptor Katadyn Shower Adaptor
This Shower Adaptor fits Katadyn's Base Camp Pro and Gravity Camp reservoirs to rid you of that stink.
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$9.95
Sale Price: $8.40
Katadyn TRK Drip Filter with Ceradyn Element Katadyn TRK Drip Filter with Ceradyn Element
The Katadyn TRK Drip Filter will treat more water than any filter we know of (before cartridges need to be replaced). The TRK drip water filter is a gravity feed filter which requires no pumping, hookup, or electricity. Fill the upper compartment with up to 2. 5 gallons of untreated water, and it literally drips through the 0. 2 micron ceramic filter elements into the bottom compartment. Simply set it on a counter in the corner and keep it filled. The Katadyn Drip water filter is the way to go for cabins, base camps, recreation sites, boats or RV's. The Katadyn TRK Drip filter comes with three ceramic filter elements (it uses all 3) which will treat up to an incredible 40,000 gallons of water.
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$317.95
Sale Price: $283.00
Katadyn Vario Dual Technology MicroFilter Katadyn Vario Dual Technology MicroFilter
Katadyn's lightweight Vario Dual Technology MicroFilter adjusts for dirty water or normal water conditions, so you get the cleanest, freshest water possible no matter where you're backpacking. A simple turn engages the ceramic prefilter when you're pumping out of a muddy lake so the pleated glass-fiber filter inside doesn't get destroyed. After a long, hard hike, this Katadyn water filter's dual piston pump works smoothly and easily--pumping out up to 2-liters per minute. The Vario Dual Technology Filter removes waterborne bacteria so you can drink safely on your camping trips, and uses a replaceable carbon core and cleanable ceramic disc. Attach Katadyn's adaptor base directly to your standard Nalgene water bottle opening, or use the output hose for larger water containers.
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$94.95
Sale Price: $79.99
MSR AutoFlow Gravity Filter MSR AutoFlow Gravity Filter
Collect, filter, and store your water in the backcountry with the quick and convenient MSR Autoflow Gravity Filter. This field-cleanable filter lets gravity do the work and cleans nearly two liters of water per minute. The four-liter reservoir holds enough hydration for your whole group, and the adapter end piece fits onto most standard water bottles and reservoirs. It's field cleanable, too, so you can remove all the bacteria, protozoa, and sediment that's been filtered out and have a filter that's good as new in minutes.
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$109.95
Sale Price: $79.95
MSR AutoFlow Gravity Filter Replacement Cartridge MSR AutoFlow Gravity Filter Replacement Cartridge
Having flow problems' Breathe new life into your Autoflow Gravity Filter with the MSR Autoflow Replacement Cartridge. This cartridge has a life expectancy of up to 1,500 liters depending on water conditions, and it filters nearly two liters of water per minute.
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$54.95
Sale Price: $41.21
MSR Guardian Dual Hose Replacement MSR Guardian Dual Hose Replacement
If your MSR Guardian hose breaks, gets lost, or just gets dirty, replace it with the Guardian Dual Hose Replacement. It features two joined hoses--an intake that pulls water into the filter, and an outlet that flushes the filter with every pump--and plugs quickly into the Guardian, so you can fill up and get on your way.
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$19.95
Sale Price: $14.96
MSR Guardian Filter Cartidge Replacement MSR Guardian Filter Cartidge Replacement
The hollow fiber filter in the MSR Guardian Filter Cartridge Replacement is meant to filter over 10,000 liters, but if you somehow surpass that, pick up the Guardian Filter Cartridge Replacement and enjoy another 10,000 bottles full of clean, clear, and crisp H2O.
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$179.95
Sale Price: $134.96
MSR Guardian Prefilter Replacement MSR Guardian Prefilter Replacement
The MSR Guardian Filter is the most advanced filter on the market, but it won't work if it's clogged full of sticks, leaves, and dirt. The Guardian Prefilter Replacement Unit keeps larger debris from getting sucked up the intake hose and jammed into the filter, so you can keep the Guardian working efficiently for its full 10,000-liter life without needing to replace the hollow fiber filter.
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$19.95
Sale Price: $14.96
MSR HyperFlow Microfilter MSR HyperFlow Microfilter
Pumping three liters per minute, the MSR HyperFlow Microfilter provides fast and dependable water purification--all the while weighing in just over seven ounces. That means you can pack quick-filtering power without sacrificing weight or space on your fast-pace backpacking trips. The Hyperflow Microfilter's float end stays face-down in the lake or stream and won't clog up as you pump, and an included Quick Connect Bottle Adapter connects to MSR, Nalgene, and other bottles with 63mm threaded openings. And, more importantly, no tools are needed to disassemble the Hyperflow Microfileter for on-the-go cleaning.
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$99.95
Sale Price: $74.95
MSR Hyperflow Microfilter Maintenance Kit MSR Hyperflow Microfilter Maintenance Kit
Don't head into the backcountry to find your Hyperflow filter malfunctioning. Instead, get the MSR Hyperflow Microfilter Maintenance Kit, and know that you'll enjoy fresh filtered water for miles to come. Change out your mangy old O-rings and valves with this handy kit, and let the fresh, clean water keep flowing through many more trips.
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$19.95
Sale Price: $14.96
MSR MiniWorks Ex Water Filter MSR MiniWorks Ex Water Filter
Filter your water year after year with the MSR MiniWorks Ex Water Filter. Clean this lightweight, compact filter back to like-new condition, without any disassembly tools. The MiniWorks' ceramic element ensures long-lasting protection against bacteria, protozoa (including crypto and giardia), and particulate, and the carbon core removes yucky tastes. MSR's little wonder (7. 5 x 2. 75in) can filter up to 1 liter per minute. As a bonus, the MiniWorks Ex Water Filter screws onto a standard Nalgene bottle or any MSR dromedary bag.
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$89.95
Sale Price: $64.95
MSR MiniWorks/WaterWorks Ceremic Filter Element MSR MiniWorks/WaterWorks Ceremic Filter Element
When you can fit the element gauge around the filter of your MSR WaterWorks EX or MiniWorks EX, it's time to replace the filter with the MSR Marathon EX Ceramic Element. This ceramic element removes protozoa and bacteria down to . 3 microns, including giardia and cryptosporidium. If you have an older MiniWorks or WaterWorks, not to worry--this MSR element not only works with them, but it also increases flow rate by 25%.
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$39.95
Sale Price: $29.96
MSR MiniWorks/WaterWorks Replacement Hose MSR MiniWorks/WaterWorks Replacement Hose
It doesn't make a whole lot of sense to replace your dirty, old filter with a squeaky-clean new one, only to send water through an equally as tired and grimy hose. So, while you're at it, consider replacing your hose with the MSR MiniWorks/WaterWorks Replacement Hose. This silicone hose is compatible with MiniWorks and WaterWorks filters, and attaches easily to the inlet hose on either filter.
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$24.95
Sale Price: $17.46
MSR Quick-Connect Bottle Adapter Cap MSR Quick-Connect Bottle Adapter Cap
Not only is the MSR Quick-Connect Bottle Cap nice as a drink lid, but it also allows you to pump water through your MSR HyperFlow microfilter directly into a MSR, Nalgene, or any other standard wide-mouth bottle. When the bottle is full, simply remove the pump and quench your thirst on sweet mountain spring water.
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$19.95
Sale Price: $14.96
MSR Sweetwater Filter Cartridge MSR Sweetwater Filter Cartridge
The SweetWater Filter Cartridge rejuvenates your SweetWater Microfilter. Replace the filter cartridge on your SweetWater Microfilter and you'll be pumping buckets of water again in no time. Get rid of Protozoa, bacteria and even organic chemicals like herbicides and pesticides.
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$54.95
Sale Price: $41.21
MSR SweetWater Microfilter MSR SweetWater Microfilter
All you really want out of a water filter is to make sure you drink liquids that won't make you sick, but it would be nice if the filter didn't take up much space in your backpack, and when it comes to taste: the sweeter the better. The SweetWater Microfilter sits right in the middle of MSR's filter in terms of weight and durability. Its strong, sturdy design dishes out a liter of sweet-tasting water in a single minute, and yet still weighs less than a single pound.
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$89.95
Sale Price: $64.95
MSR SweetWater Purifier System MSR SweetWater Purifier System
MSR's SweetWater Purifier System gives you added protection against bacteria, protozoa, and viruses. This backcountry kit includes a SweetWater Microfilter, an 80-micron stainless-steel prefilter, two color-coded silicone hoses, foam float, Universal Bottle Adapter plus cleanside cover, cleaning brush, ViralStop Purifier Solution and stuff sack. Simply pump the water through the SweetWater purifier, then add five drops of the purifier solution per liter and wait five minutes for the purification process to complete. MSR's water Purifier Solution inactivates 99. 99 percent of waterborne viruses, bacteria, and common protozoan parasites, so you can avoid spending your camping or traveling expedition doubled over in your tent.
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$99.95
Sale Price: $74.95
MSR SweetWater SiltStopper Replaceable Prefilter MSR SweetWater SiltStopper Replaceable Prefilter
When your SweetWater MicroFilter stops producing crystal clear water, replace its innards with MSR's SweetWater SiltStopper. This 5-micron filter works particularly well in silty, glacier-fed, and tonic waters found all over the world. It also decreases cleanings, protects your pump, and reduces waste after use. Even through MSR designed it for the SweetWater, the SiltStopper is compatible with any MSR filter.
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$19.95
Sale Price: $14.96
MSR SweetWater SiltStopper Replacement Filter MSR SweetWater SiltStopper Replacement Filter
Whether you're backpacking the Paria or through Great Basin National Park, it's a good idea to keep a few MSR SweetWater SiltStopper Replacement Filters on hand. These replacement filters attach to the SiltStopper add-on, and prevents silt and sand from clogging your MSR SweetWater filter.
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$19.95
Sale Price: $13.96
MSR TrailShot Replacement Cartridge MSR TrailShot Replacement Cartridge
The MSR TrailShot Replacement Cartridge serves as a replacement to your TrailShot Microfilter, restoring flow rates after your previous filter cartridge is spent. This replacement cartridge filters up to 2000 liters of water before requiring a replacement and cleans one liter of water in as little as 60 seconds. It eliminates harmful contaminates, including bacteria, protozoa, and suspended particulates found in many lakes, streams, and waterways.
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$34.95
Sale Price: $26.21
Platypus GravityWorks 2.0L Dirty Reservoir Replacement Kit Platypus GravityWorks 2.0L Dirty Reservoir Replacement Kit
Replace the well-worn collection reservoir of your Platypus GravityWorks Filter System with a GravityWorks 2. 0L Dirty Reservoir Replacement Kit. This reservoir is just like the Dirty reservoir that came with your GravityWorks system, only it's clean as a whistle--and it never hurts to have a spare reservoir around, right'
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$29.95
Sale Price: $22.46
Platypus GravityWorks 2.0L Filter System - Reservoir Kit Platypus GravityWorks 2.0L Filter System - Reservoir Kit
Your hand-pump water filter looks slow and inefficient in comparison with the Platypus GravityWorks 2. 0L Filter System. This gravity-powered water filtration system is ultralight, easy to pack, and fast. Just collect dirty water in one reservoir, hang the system, and in just a few minutes the second reservoir will be filled with two liters of clean, drinkable water. And there was much rejoicing among backpackers.
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$109.95
Sale Price: $76.94
Platypus GravityWorks 4.0L Filter System Platypus GravityWorks 4.0L Filter System
If the GravityWorks 4. 0L Filter System were any easier, it'd have a trail of amorous followers that would never leave it alone. As it is, there are plenty of devotees (purely platonic, of course) who can't get enough of the world's simplest water filtration system. Just fill one of the Platy Zip bags with water, place it above the empty bag, open the hose clamp, and let gravity do the rest. In 2. 5 minutes, you'll have four liters of clean water, and if camp is far away, fill the other bag to carry back with you and clean when you need it. Open the hose clamp to dispense water, and shut it to stop the flow. To clean, simply reverse the bags for four seconds, running water through the filter in reverse. That's seriously it.
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$119.95
Sale Price: $83.94
Platypus GravityWorks Filter Cartridge Platypus GravityWorks Filter Cartridge
The Platypus GravityWorks Filter Cartridge filters down to 0. 2 microns and meets EPA Guide Standards for the removal of bacteria and protozoans. Pop one in the gravity line of your GravityWorks or CleanStream filter and enjoy fresh water. Measuring just about six inches in length and a few inches wide one of these spare filters takes up minimal room in your backpacking kit. It can't hurt to keep a spare around for particularly dirty water, or large groups that require a constant supply of high quality H20.
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$54.95
Sale Price: $41.21
Platypus MetaBottle with Microfilter Platypus MetaBottle with Microfilter
The Platypus MetaBottle with Microfilter combines a one-liter portable water bottle with a backcountry-ready filter that removes 99. 9% of harmful bacteria and protozoa, including E. coli, Giardia, Cryptosporidium, Salmonella, and Cholera. The MetaBottle features a two-piece design for easy cleaning in the dishwasher, as well as a wide opening for fitting in ice cubes. This filter and bottle combination is a practical solution for cleaning water from streams, lakes, and taps. Best of all, the system uses a shake-to-clean technique for rapid filtration of two liters per minute. It filters up to 1000 liters of water before requiring replacement. Please note, it won't filter out chemicals from polluted water sources, such as industrial contaminants.
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$49.95
Sale Price: $34.95


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