About This Clean Water Wherever You Go: The 0.1 micron hollow fiber membrane removes bacteria, protozoa, cysts, and sediment from water sources. Fast 2 L/min flow and up to 1,000L capacity. Built for trail running, cycling, and ultralight adventures. Ultralight and Packable: Weighs just 59g and collapses flat to fit in running shorts, cycling jerseys, vests, and packs. A collapsible water bottle designed for trail running, biking, 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 professionals worldwide, our products are built for reliable performance wherever you go. Overview Brand : Katadyn Special Feature : BPA-Free, Hollow Fiber Product Dimensions : 2.8"L x 9.1"W x 2.8"H Material : Synthetic Capacity : 0.6 Liters Included Components : Camping Hydration Water Filters Package Information : Bottle Installation Type : Personal Container Purification Method : Hollow Fiber Membrane Power Source : Gravity-fed