Because you can't carry beer everywhere.
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.
Ultra Flow glass-fiber filter
Gravity filtering action
Removes bacteria, cysts, and sediment
Cleanable filter protector
Quick-release valve with auto shutoff
Rollable buckle top
Item #EXT000A
Purifying Element: pleated glass fiber
Eliminates: bacteria, cysts, sediment
Filter: Ultra Flow Filter
Pore Size: 0.2 microns
Cartridge Life: 1,5000 L
Action: gravity
Volume: 6 L
Flow: up to 2 L / min
Dimensions: 10 x 6 x 2.4 in
Claimed Weight: 11 oz
Recommended Use: camping
Manufacturer Warranty: 1 year
