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.