CLEAN WATER WHEREVER THE TRAIL TAKES YOU: A collapsible filtered water bottle with a 0.1 micron hollow fiber membrane that filters out sediment and fine particles. 2 L/min flow, up to 1,000L capacity. Built for backpacking, hiking, and travel.
Ultralight and Packable: Collapses flat to fit in running shorts, cycling jerseys, vests, and packs. A collapsible water bottle designed for backpacking, hiking, travel, and everyday carry.
No Pump, No Waiting: Fill from streams, lakes, or springs and drink immediately. Simple squeeze water filter design with no setup, no tablets, and nothing extra to carry. BPA-free throughout.
Easy to Use and Clean: Fill, squeeze, and drink. Clean by shaking or swishing in water to restore flow. No backflushing, tools, or disassembly required. Fast, field-ready maintenance in seconds.
Trusted Since 1928: Katadyn has been delivering clean water solutions for nearly a century. Used by hikers, travelers, and outdoor professionals worldwide for reliable performance wherever you go.