Katadyn Gravity BeFree Microfilter 3.0L. 0L water filter system from Katadyn. You can drink directly from the reservoir or refill a bottle or another reservoir easily. Features: Easy to use: fill and hang the ultra-durable HydraPak 3.0L reservoir using the integrated Bail Handle & Carry Loop; filters up to an impressive 2 liters per min. Easy to clean: simply shake or swish the EZ-Clean Membrane to remove debris Collapsible 3.0L reservoir packs down small 0.1-micron microfilter is tested to protect against harmful organisms removing protozoa (99.99percent) and bacteria (99.9999percent) to EPA standards Please note: initial packaging incorrectly stated that this product meets EPA standards for virus removal. Refer to the product manual for more information. 43mm wide-mouth opening makes for easy filling from any lake river stream or faucet Cap over the drink nozzle keeps dirt out Tested to 1000 liters; individual results will depend on water quality BPA-free Effective against microorganisms Suitable for groups up to 5 people Specifications for Katadyn Gravity BeFree Microfilter: Manufacturer: Katadyn Color: White/Blue Size: 3 L Application: Backpacking Pore Size: 0.1 microns Weight: 4 oz Package Contents: Katadyn Gravity BeFree Water Microfilter Katadyn 8020470: Gravity BeFree Microfilter 3.0L