Personal, portable water filter that transforms even the most turbid, microbiologically contaminated water source into safe, clean drinking water. Lightweight and durable plastic pipe design uses hollow fiber microfiltration technology to purify a minimum of 264 gallons of water while removing 99.9% of bacteria and parasites that can contaminate water. Chemical free and powered by user-generated suction, so no batteries required. Safely rehydrate from any water source. Crucial and cool. 9"×1", Standard plastic body weighs 2oz., Steel body is the same outer dimensions, but adds durability and the ability to replace the activated carbon capsule. Weighs 5.6oz.