Lightweight and compact, the SweetWater Microfilter makes water filtration fast and easy. * Fast: Pumps water on both up and down strokes for a fast flow rate of 1.25 liters per minute. * Easy to Use: Unique lever-action pump handle has a 4-to-1 mechanical advantage, so you don't have to work as hard. * Lightweight: Weighing just 11 oz., it's one of the lightest filters on the market. * Compact: Handle folds flat when not in use for easy packing and storage. * Dependable: Eliminates over 99.9999% of all waterborne bacteria and 99.9% of common protozoan parasites, such as giardia and cryptosporidia. * Simple to Maintain: Simple brushing will restore a clogged filter, and the pump lets you know when the filter needs replacing (each cartridge filters up to 200 gallons of water). Accessories Include: an 80-micron stainless-steel prefilter, two color-coded silicone hoses, foam float, water bottle adapter, cleaning brush, and carry bag. Weight: 11 oz./320 g Size: 7.5 x 2 in./19 x 5 cm