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5 Best Backpacking Water Filters

Updated
Updated

Main Features

  • Removes 99.9999% of bacteria
  • Removes 99.9% of protozoa
  • Filters up to 1,000 gallons
  • No batteries or moving parts
  • Weighs only 2 ounces

Product Overview

The LifeStraw Personal Water Filter is a pioneering product in portable water filtration. Designed for hikers, backpackers, and emergency preparedness, this straw-style filter allows you to drink directly from streams and lakes without worrying about waterborne diseases.

Its hollow fiber membrane technology removes 99.9999% of waterborne bacteria and 99.9% of protozoan parasites, ensuring safe hydration wherever you are.Weighing only 2 ounces, the LifeStraw is incredibly easy to carry and fits in any backpack or even your pocket.

It requires no batteries or moving parts, making it a reliable choice in the wilderness. The filter can process up to 1,000 gallons (4,000 liters) of water, providing long-lasting performance for multiple trips.

Its simple design makes it user-friendly, even for beginners.Whether you're hiking, camping, traveling, or preparing for emergencies, the LifeStraw Personal Water Filter is a trusted companion. Its award-winning design and proven effectiveness have made it a favorite among outdoor enthusiasts worldwide.

PROS
  • Extremely lightweight and portable
  • No setup required
  • Long filter lifespan
  • Affordable price
CONS
  • Cannot filter viruses
  • No water storage capability
  • Not suitable for large groups

Product Specifications

  • Weight 2 oz (57 g)
  • Dimensions 9 x 1 x 1 inches
  • Filter Capacity 1,000 gallons (4,000 liters)
  • Filter Type Hollow fiber membrane
  • Pore Size 0.2 microns

Main Features

  • 0.2-micron glass fiber filter
  • Activated carbon core for taste
  • Transparent housing for visibility
  • Quick-connect fittings
  • Includes carry bag and adapters

Product Overview

The Katadyn Hiker Pro Transparent Water Filter is a favorite among backpackers who need to filter larger quantities of water efficiently. Its pump-action mechanism allows you to draw water from lakes, rivers, or streams and filter it directly into your water bottle or hydration reservoir.

The filter uses a 0.2-micron glass fiber element to remove bacteria, protozoa, and particulates, ensuring safe drinking water in the backcountry.A key feature of the Hiker Pro is its transparent housing, which lets you see the filtration process and monitor filter condition.

The filter includes activated carbon granules to improve taste and reduce chemicals, making water more palatable. The quick-connect fittings and included adapters make it compatible with a variety of hydration systems, adding to its convenience.

Ideal for solo backpackers or small groups, the Katadyn Hiker Pro is known for its reliability and ease of use. Its compact size and lightweight design make it easy to pack, while the robust construction ensures durability on extended trips.

PROS
  • Fast filtration rate
  • Improves water taste
  • Compatible with hydration packs
  • Durable and reliable
CONS
  • Heavier than straw filters
  • Requires manual pumping
  • Higher price point

Product Specifications

  • Weight 11 oz (310 g)
  • Dimensions 6 x 3 x 2.4 inches
  • Filter Capacity 1,150 liters (300 gallons)
  • Filter Type Pump-action glass fiber
  • Pore Size 0.2 microns

Main Features

  • 0.1-micron absolute filter
  • Includes multiple squeeze pouches
  • Compatible with standard bottles
  • Filters up to 100,000 gallons
  • Removes bacteria and protozoa

Product Overview

The Sawyer Squeeze Water Filtration System is a popular choice for backpackers who want a lightweight, flexible, and efficient water filter. The system includes a 0.1-micron absolute filter, multiple squeeze pouches, and adapters for use with standard water bottles or hydration bladders.

This allows you to collect water from any source, attach the filter, and either drink directly or squeeze clean water into another container.The filter removes 99.99999% of bacteria and 99.9999% of protozoa, exceeding EPA standards for water filtration.

Its high flow rate means you can quickly process water for yourself or a group without waiting. The included pouches are durable and can be rolled up for easy packing, while the filter itself is rated for up to 100,000 gallons, offering exceptional longevity.

Sawyer's Squeeze system is easy to use, clean, and maintain, making it a favorite among thru-hikers and long-distance backpackers. Its adaptability to different containers and reliable performance make it a must-have for any outdoor adventure.

PROS
  • Extremely long filter life
  • Lightweight and compact
  • Fast flow rate
  • Easy to clean and maintain
CONS
  • Squeeze bags can wear out
  • Not effective against viruses
  • Requires manual squeezing

Product Specifications

  • Weight 3 oz (85 g)
  • Dimensions 5 x 2 x 8 inches
  • Filter Capacity 100,000 gallons (378,541 liters)
  • Filter Type Hollow fiber membrane
  • Pore Size 0.1 microns

Main Features

  • Gravity-fed filtration
  • 4-liter capacity per reservoir
  • 0.2-micron hollow fiber filter
  • Tool-free cleaning
  • Filters up to 1,500 liters

Product Overview

The Platypus GravityWorks 4.0L Water Filter System is designed for backpackers and campers who need to filter large amounts of water with minimal effort. The system uses gravity to pull water from a dirty reservoir through a hollow fiber filter into a clean reservoir, eliminating the need for manual pumping.

This makes it ideal for groups, base camps, or anyone who wants to save time and energy.With a 0.2-micron filter, GravityWorks removes bacteria and protozoa, providing safe drinking water in just a few minutes.

The 4-liter capacity on both the dirty and clean bags allows you to process up to 8 liters at a time, making it suitable for cooking, cleaning, and drinking needs. The system is easy to set up and packs down small for transport.

The Platypus GravityWorks is known for its reliability, speed, and convenience. Its tool-free cleaning and replaceable filter cartridge ensure long-term use, making it a top choice for group backpacking trips and extended adventures.

PROS
  • No pumping required
  • High capacity for groups
  • Fast filtration rate
  • Easy to clean and maintain
CONS
  • Bulkier than other filters
  • Requires hanging space
  • Not effective against viruses

Product Specifications

  • Weight 11.5 oz (325 g)
  • Dimensions 10 x 5.5 x 2 inches (packed)
  • Filter Capacity 1,500 liters (396 gallons)
  • Filter Type Hollow fiber membrane
  • Pore Size 0.2 microns

Main Features

  • Removes viruses, bacteria, protozoa
  • Purifies 24 oz in 8 seconds
  • Replaceable purification cartridge
  • Removes chemicals and heavy metals
  • Durable, easy-to-use bottle

Product Overview

The GRAYL GeoPress 24 oz Water Purifier Bottle is a game-changer for backpackers who need protection from a wide range of waterborne threats. Unlike most filters, the GeoPress removes viruses in addition to bacteria and protozoa, making it suitable for use in both wilderness and urban environments worldwide.

Its unique press-to-filter design allows you to purify 24 ounces of water in just 8 seconds.The GeoPress uses a replaceable cartridge that combines electroadsorptive media, activated carbon, and ultra-powdered media to remove pathogens, particulates, chemicals, and heavy metals.

This ensures not only safe but also great-tasting water. The rugged bottle is built for outdoor use, with a non-slip grip and a wide mouth for easy filling and cleaning.Ideal for international travelers, backpackers, and emergency preparedness, the GRAYL GeoPress offers unmatched protection and convenience.

Its all-in-one design means you can scoop, press, and drink without any additional equipment, making it a reliable companion for any adventure.

PROS
  • Removes viruses (rare in portable filters)
  • Fast and easy operation
  • Improves taste and odor
  • No setup or hoses required
CONS
  • Heavier than most filters
  • Higher cost per liter
  • Requires cartridge replacement

Product Specifications

  • Weight 15.9 oz (450 g)
  • Dimensions 10.4 x 3.4 x 3.4 inches
  • Filter Capacity 65 gallons (250 liters) per cartridge
  • Filter Type Electroadsorptive + activated carbon
  • Pore Size Not specified (removes viruses)