Hiking, Camping, Travel, And Emergency Preparedness Are All Made Possible With We?ve been designing and producing performance hydration systems for over 20 years, and our mission is to help athletes reach their peak performance. By offering better ways to hydrate, HydraPak has pioneered new product categories and become a trusted partner for athletes and brand partners worldwide. HIGH FLOW RATE: Access potable water anywhere - Filters approximately 1,500 liters of fresh water at a rate of 1 L per minute. SAFE: Effectively removes common waterborne bacteria (99.9999%), and parasitic cysts (99.999%) per EPA Guide Standards and microplastics (99.999%) per NSF 42 greater than or equal to 3.0 microns in size. EASY TO USE: Convert your reservoir or water bottle into a water filter. Comes equipped with cap and backflush adapters. COMPATIBLE: Compatible with all HydraPak 28mm opening bottles and flasks, as well as Plug-N-Play connectors used on reservoirs and water storage containers. "LIGHT COMPACT: At only 47 grams, our filter is one of the lightest filter options available - It is small enough to fit inline in a wide variety of packs and takes up minimal pack space when not in use"