SPECS: Capacity: 24 oz/ 710 ml Height: 10.4"/ 26.5 cm Weight: 15.9 oz/ 450 g Base diameter: 3.4"/ 8.6 cm Flow rate: 8 sec per 24 oz/ 5 L per minute Cartridge lifespan: 350 cycles (65 gal/ 250 L) Cartridge shelf life: 10 years if stored properly DESIGN & DETAILS: BPA-free construction of polypropylene 5, silicone, TPE, and ABS food-grade plastic Removes waterborne pathogens like Rotavirus, Hepatitis A, Norovirus, Giardiasis, Cryptosporidium, E. Coli, Cholera, Salmonella, Dysentery, etc. Carbon in filters absorbs chemicals, pesticides, heavy metals, flavors and odors Crafted to perform even in harsh weather Withstands drops of 10 ft onto concrete when full of water Improves taste, smell and clarity for better hydration Tested to meet the U.S. Environmental Protection Agency's standard for microbiological water purifiers Tested to meet or exceed NSF/ANSI protocols for pathogen and chemical removal OnePress(TM) Global Protection to create safe drinking water from even the sketchiest sources SimpleVent(TM) Drink Cap to vent air, prevent contaminants, and enable one-handed usage Ergonomic SoftPress(TM) padding for non-slip and anti-fatigued pressing TopoGrip(TM) TPE on heavily used surfaces to prevent slippage 10-year warranty included to cover workmanship and materials