Rank
#1

MSR MiniWorks EX Backountry Water Filter

  • Microfilter water filter pump for hiking, backpacking, camping, travel, survival, and emergency preparedness
  • Replaceable carbon and ceramic filter removes bacteria, protozoa, organic compounds, and particulate, delivering clean, taste and odor-free water
  • Pumps at a rate of one liter per minute; compatible with a variety of wide mouth water bottles, and hydration bladders (sold separately)
  • Meets NSF protocol P231 for removal of bacteria (99.9999%) and protozoa (99.9%); one replaceable filter cartridge treats up to 2,000 liters of water
  • Pump measures 7.5 x 2.75 inches and weighs 1 pound; storage bag included; manufacturer’s limited lifetime warranty; made in the USA
Rank
#2

MSR MiniWorks EX Microfilter Maintenance Kit

  • Complete water filter maintenance kit
  • Intended for use with MSR's MiniWorks and WaterWorks micro-filtration systems
  • Weighs just 1.1 ounces
  • Stows into a hard case measuring 3.3 by 1.8 inches (W x D) for easy storage and transport
  • Includes limited lifetime manufacturer's warranty; made in Seattle, WA
Rank
#4

MSR Guardian Water Purifier Annual Maintenance Kit

  • Maintenance kit for the MSR Guardian Military-Grade Water Purifier Pump
  • Kit includes instructions, pressure relief valve assembly, o-rings, cup seal, piston, umbrella valve, silicone lubricant and a cleanside cover
  • Whole kit packs into a convenient included carry case
  • Manufacturer’s limited 3-year warranty
  • Made In USA
Rank
#5

MSR Guardian Water Purifier Filter Replacement Cartridge

  • Replacement filter for the MSR Guardian Military-Grade Water Purifier Pump
  • Restores the MSR Guardian Water Purifier’s flow rate of 2.5 liters per minute
  • Removes viruses, bacteria, protozoa, and particulates, like dirt and sediment for 10,000+ liters of water
  • Manufacturer’s limited 3-year warranty
  • Made In USA
Rank
#6

MSR Guardian Water Purifier for Backcountry Use, Global Travel, and Emergency Preparedness

  • Military-grade water purifier pump removes viruses, bacteria, protozoa, and particulate from contaminated water sources virtually anywhere on earth
  • Meets NSF protocol P248 testing standard of the U.S. military, using medical-grade fibers to provide protection from the tiniest waterborne threats
  • Pumps at a rapid 2.5 liters per minute, treats up to 10,000 liters of water, and withstands freezing, drops, heavy use, and harsh environments
  • Pump self-cleans on every stroke, providing consistently fast flow rates with zero hassle—no backflushing or filter-scrubbing ever required
  • Ideal for backcountry, expeditions, global travel, and survival; purifier pump measures 8.2 x 4.7 inches and weighs 17.3 ounces; made in the USA
Rank
#7

MSR TrailShot Pocket-Sized Backcountry Water Filter

  • Pocket-sized lightweight water filter cleans water on-the-go for hiking, camping, traveling, and emergency preparedness
  • Drink directly from the source or fill a water bottle or hydration pack; easy one-handed operation filters one liter in 60 seconds
  • Ultralight (5 ounces) and compact (6x2.4 inches), it fits in a stash pocket for trail runners, hikers, and mountain bikers
  • Hollow fiber technology allows water to pass through but traps harmful protozoa, like giardia and cryptosporidium, and bacteria, like salmonella
  • Effective against bacteria (99.9999%), protozoa (99.9%) and particulate; filters up to 2,000 liters without iodine, chlorine or other chemicals
Rank
#8

MSR MiniWorks EX Backcountry Water Purifier System

  • Microfilter water filter pump and 50 purification tablets for hiking, backpacking, camping, travel, survival, and emergency preparedness
  • Replaceable carbon and ceramic filter removes bacteria, protozoa, organic compounds, and particulate; Aquatabs protect against viruses
  • Pumps at a rate of one liter per minute; compatible with a variety of wide mouth water bottles, and hydration bladders (sold separately)
  • Effective against viruses (99.99%), bacteria (99.9999%), and protozoa (99.9%); filter treats up to 2,000 liters of water and each tab treats 2 quarts
  • Pump measures 7.5 x 2.75 inches and weighs 1 pound; storage bag included; manufacturer’s limited lifetime warranty; made in the USA
Rank
#9

MSR Guardian Gravity Water Purifer for Backcountry Use, Global Travel, and Emergency Preparedness

  • State-of-the-art water purification system in an easy-to-use, high-volume gravity system; ideal for travel, backcountry and emergency use
  • Advanced, hollow-fiber technology removes viruses (99.99%), bacteria (99.9999%), protozoa (99.9%), sediment and microplastics from “worst-case” water conditions
  • Activated carbon reduces chemicals, unpleasant tastes and odors
  • Fast and easy to fill: Simply hang the 10-liter reservoir and purify up to 1L in 2 minutes based on an optimal hang height of 6 ft above the clean water output
  • Includes: two-stage purifier, 10L reservoir, universal bottle adapter, hoses and zippered carry case; lifetime capacity: up to 3000L; measures 12.5 x 4 inches, packs to 8.2 x 4.7 and weighs 18.7 ounces; made in the USA
Rank
#10

MSR Guardian Gravity Purifier Replacement Filter Cartirdge

  • Replacement, two-stage water purifier cartridge for the MSR Guardian Gravity Water Purifier system
  • Restores fast flow rates of up to 1L in 2 minutes; rated for up to 3000L (depending on water conditions)
  • Meets NSF protocol P248 military testing standard for removing viruses (99.99%), bacteria (99.9999%), protozoa (99.9%), sediment and microplastics from “worst-case” water conditions
  • Additional, activated carbon helps remove chemicals and unpleasant tastes and odors
  • Includes: one replacement two-stage purification filter; measures 9.5 x 2 inches and weighs 4.5 ounces; made in the USA
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