Hiking & Camping > Water Treatment

The AutoFlow Gravity Microfilter represents the latest evolution of backcountry hydration, combining water filtration, storage and collection into a single, lightweight system. With the latest Hollow Fiber technology and the power of gravity, the AutoFlow is fast too—up to 1.75 liters per minute without a single pump stoke. 4-liter reservoirs...

The MiniWorks EX is the best-selling filter on the market, delivering long-lasting, fully field-maintainable water filtration. Its durable ceramic element ensures protection, pumps water for years, and can be cleaned repeatedly for full recovery, with no tools required for complete disassembly. The MiniWorks is also lightweight, compact, and, thanks to...

The MSR SweetWater Microfilter gives you a fast, dependable way to filter your water, and only adds 11 ounces to your backpack. This MSR water filter's lever-action pumps water on both up and down strokes for a fast 1.25-liters-per-minute flow rate, and the filter eliminates 99.99% of all waterborne bacteria...

The MIOX® Purifier represents a revolution in water treatment. It's ultralight, compact, and easy to usewith no pumping, maintenance, or iodine required. About MIOX® : Developed in conjunction with the U.S. military, the MIOX® Purifier offers unrivaled ease of use and reliability for purifying large volumes of water, making it...

When you run out of test strips and salt for your MSR MIOX Purifier, grab the MSR MIOX Purifier Replacement Test Strips/Salt. This MSR kit comes with 50 test strips, salt, and an instruction booklet.

This combination water purifier system removes waterborne bacteria and protozoan parasites, and the chlorine-based SweetWater® Purifier Solution effectively inactivates viruses. The MSR SweetWater Purifier System is a lightweight solution to add viral protection in popular wilderness areas and developing countries. This combination purifier system removes waterborne bacteria and protozoan parasites,...

Keep your AutoFlow Gravity Filter pumping water at peak performance by swapping out the pumped-out old cartridge with the Replacement Cartridge from MSR. Ensure you won't be having flow problems for many a trips to come as this cartridge has a filter life of 1,500 liters - depending on water...

Keep your HyperFlow Microfilter Maintenance Kit clean and up-to-par with the Hyperflow Microfilter Maintenance Kit from MSR. Get all the pieces and parts you need including check valves, replacement o-rings, and silicon lube. Kit contains: instructions, small check valve, large check valve, replacement piston o-ring, replacement Quick Connect Bottle Adapter...

Ultra-light and fast pumping, the Hyperflow Microfilter from MSR takes up surprisingly little space in your pack but gives you the piece of mind that you'll have clean, protozoa, bacteria and particulate free drinking water in the backcountry. A Quick-Connect cap securely attaches to your Nalgene bottle for fast, on-the-go...

The MIOX® Purifier represents a revolution in water treatment. It’s ultralight, compact, and easy to use - with no pumping, maintenance, or iodine required. No pumping required Just add water, shake, and press a button. Purifies water without iodine No health risk or unpleasant iodine taste. Great for large volumes...

The MIOX Purifier represents a revolution in water treatment. It's ultralight, compact, and easy to use-with no pumping, maintenance, or iodine required. Developed in conjunction with the U.S. military, the MIOX Purifier offers unrivaled ease of use and reliability for purifying large volumes of water, making it ideal for outdoor...

The Marathon EX Ceramic Element is the replacement filter element for all MSR MiniWorks, WaterWorks and WaterWorks II water filters. Included with the Marathon Ceramic Element replacement is a ceramic gauge, scrubbing pad and instructions. Provides increased flow rate for older models Can be cleaned multiple times for low cost...

The MSR Hyperflow Filter Gravity Kit is designed for use with the MSR Hyperflow Microfilter for pump-free filtration Just fill the 4-liter reservoir with unfiltered water, connect it to the MSR Hyperflow Microfilter, hang the reservoir three feet above the filter, and forget about it Easy-hang strap Water level-indicating window...

Three replacement, 5-micron filter elements for the SiltStopper. Perfect for silty, glacier-fed and tannic waters Replaceable filter media reduces wasteU micron filter reduces filter cleanings and extends the life of the filter cartridge

MSR’s SweetWater® Purifier Solution is a chlorine-based purifier solution that provides simple and fast virus protection when used in conjunction with the SweetWater Microfilter. Easy to Use Comes in a spill-proof dispenser bottle for accurate measuring. Dependable EPA registered and proven effective (chlorine is used to treat over 95% of...

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...

The 5-micron replaceable prefilter is an excellent addition to any filter or purifier. It reduces the frequency of cleanings in turbid water and protects your filter against fine abrasive dirt particles. Replacement filters available Weight: 1 oz

Blending the proven filtration of the micro-filter with the chlorine-based SweetWater Purifier Solution, the MSR SweetWater Purifier System provides safe, clean water worldwide. The 4-to-1 mechanical advantage pump lever services a micron filter that eliminates water borne bacteria and protozoa, such as giardia and cryptosporidia, with a worst case purifying...

This small, complete maintenance kit is for the MSR Waterworks and Miniworks filters. Small enough to take into the field on long or short trips; contents are packaged into a small plastic case Contains all necessary maintenance parts, including O-rings, inlet foam, inlet valve, outlet cap and silicone lubricant

Counting the ounces? Those looking for weight savings will love the DromLite bags. A mountaineer's favorite, this Fast & Light version of M.S.R.'s Dromedary Bag is 30% lighter than a standard Dromedary yet still tough enough for the most extreme outdoor pursuits. Now with an added handle to make carrying...

Replace your worn out or misplaced Hyperflow prefilter with the MSR Hyperflow Microfilter Prefilter Replacement. This handy accessory removes large particles and gunk before the water reaches your filter, increasing its lifespan and your efficiency. This replacement kit includes a prefilter bag and a new hose, and packs up for...

The MSR HyperFlow Microfilter Replacement Cartridge swaps into your ultralight HyperFlow MicroFilter when your flow gets low. This cartridge utilizes MSR's Hollow Fiber Technology and pumps around three liters of water per minute. Clean your Hyperflow easily in the field, knowing that each cartridge lasts through approximately 1,000 liters, depending...

Replacement Indicator Strips and Salt for MIOX Purifier. Includes: 50 replacement strips, salt and instruction booklet

Allowing a secure connection of a HyperFlow Microfilter to a 32 oz. wide-mouth Nalgene water bottle, the MSR Quick-Connect Bottle Adapter fits any container with a 63mm threaded opening. The Quick-Connect bypasses the need for a separate output hose to make water filtering easier and hassle free. The adapter also...

The MSR Quick-Connect Bottle Adaptor allows your MSR HyperFlow pump to securely interface with containers with 63mm threaded openings. Connect your HyperFlow pump to your MSR, Nalgene, or other brand’s bottle, and pump away without the spill factor or awkward handling.