Here's what other sites are saying:
Sawyer Camp & Hike 2 Liter System SP161. Simply set it up and let gravity do the dirty work. No tedious pumping just set it and forget it. In the time it takes you to turn around and unload your pack you'll have clean fresh water waiting. Each filter has a lifetime warranty as long as you follow the simple care and use instructions. Follow the helpful hints included in the directions for use. Backwashing is not required often unless you are filtering very turbid water. Backwashing only takes a few seconds. If you are accustomed to a ceramic filter the leaning ratio is approximately 20:1. In other words by the time you first need to clean your hollow-fiber filter you would have neeeded to clean a ceramic filter 20 times. NO REPLACEMENT FILTERS OR CARTRIDGES ARE NECESSARY. We trust you will thoroughly enjoy the ease and extra protection this proven next-generation technology offers you The Sawyer Water Filters feature a 0.1 Micron Absolute Hollow Fiber Membrane which uses medical technology developed from kidney dialysis. When the water is drawn through the filter it flows through the side walls of the Hollow Fiber tubes. Sediment bacteria protozoa cysts and other contaminants are filtered out exceeding all applicable EPA recommendations.
Think of water filtration in a whole new way with the quick and convenient gravity-powered Sawyer 2-liter water filter system.
Sawyer Water Treatment System - 2L - New - The filtration process is practically hands-free: just hang the system from a tree or any source off the ground and watch gravity do all the work. In as little as 1.5 minutes you will have 2L of safe, clean drinking water. When flow becomes slow or clogged, the included faucet adapter can be used to backwash the filter by forcing clean water back through your filter with clean water from a faucet.
- Massey's Outfitters
Where to Buy
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Sawyer Water Filtration System 4 Liter
Sawyer Complete Water Filtration System 2 Liter
Sawyer Complete Water Filtration System 8 Liter
Platypus GravityWorks Filter System 2L
$68 - $99
$180 - $219
Katadyn Gravity Camp 6L