The Guzzle H2O Stream is a patented system that is perfect for anyone who wants safe, great tasting water on-the-go. Its portability and onboard pump makes it ideal for a range of uses and situations, including water emergencies. The Stream allows you to draw water out of a creek or lake, OR connect to campground faucets. Eliminate anxiety about running out of water at the push of a button. Guzzle H2O Stream Specifications: HIGH FLOW: Max flow rate 1.1 gallons (4L) / min (Pressurized Mode) & 0.75 gallons (~ 3L) / min (Pumping Mode) PROVEN TECHNOLOGY: LED UV-C purification is 3rd party tested to inactivate 99.99% of bacterial, protozoa, and viruses* and is NSF 55 listed EFFECTIVE FILTRATION: 0.5 micron Activated Carbon Block Filtration is highly effective at reducing sediment, chlorine taste and odor, VOCs, NSF 41 emerging contaminants, lead, mercury, and other chemical contaminants** LOW COST: Carbon Block filter capacity up to 1000 gallons per cartridge, low cost replacement HIGH CAPACITY: Rechargeable LiFePO4 battery provides: 32 gallons filtered and purified drinking water @ .75 GPM flow rate (Pumping Mode) 90 gallons filtered and purified drinking water @ 1.1 GPM flow rate (Pressurized Mode) WIDELY COMPATIBLE: Use with any freshwater source EFFECTIVE IN SILTY WATER: 1 micron prefilter screens sediment APPROVED: All components NSF listed or FDA approved materials WATERPROOF: IP67 inside and out *Based on 3rd party testing performed according to the United States EPA Ultraviolet Disinfection Guidance Manual **Will not remove heavy metals or toxins. Designed and Assembled in USA