Katadyn Products Hiker Microfilter Water Filtration System.  This is America's #1 selling microfilter, and is highest rated for ease-of-use!  It is rated to remove bacteria, Giardia and Cryptosporidium. 

Output:  Approximately 1qt. per minute with 48 strokes.  Capacity:  Up to 200 gallons.

Contents:  1 Hiker Water Microfilter, 1 Anti Clog Microfilter Cartridge, 1 Intake Hose, 1 Output Hose with Universal Bottle Adaptor, 1 Hydration System Connector, 1 Deluxe Carry Bag, and Instructions and Field Tips.

Donated by:  Big Horn Wilderness Equipment, Great Falls, MT  (406) 453-2841.