NEW! Award Winning, lightweight, compact purifier with newly designed even better features including updated direct connect for popular trail containers, double-action field serviceable pump with no hold time, sealed canister with cover, tote bag, gravity feed and the tried and trusted winning "Structured Matrix" chemical-free purification technology. Fast Flow Rate! More Durable! An environmentally friendly product! Independently certified to EPA Guide standard Protocol for Microbiological Purifiers against Bacteria, Cysts and Viruses!