Replacement cartridge for the Hiker Pro Water Filter by Katadyn.

The SPECS

• AntiClog technology: 129 square inches of pleated 0.3 micron glassfiber media. Activated carbon core: reduces unpleasant tastes and odor from water.
• Output: Up to 1 quart (1 liter) per minute or 48 strokes per quart
• Cartridge Capacity: Up to 200 gallons, depending on water quality