MSR SweetWater Microfilter

Simple, lightweight and versatile, it’s the perfect water treatment option for light to moderate use, with the capacity to easily step-up to the demands of the occasional big trip. It pumps easily with a 4:1 mechanical advantage, producing 1L per minute and can easily be cleaned in the field without tools to restore flow rates. Package includes: SweetWater microfilter, 80-micron stainless-steel prefilter, (2) color-coded silicone hoses, foam float, water bottle adapter, cleaning brush, and stuff sack. Testing: Testing: Meets NSF protocol P231 for removal of bacteria (99.9999%) and protozoa (99.9%) from beginning to end of filter life in “worst-case” water. Fresh Tasting Water: Activated carbon core helps eliminate taste and odors. Easy to Use: Unique lever-action pump handle has a 4-to-1 mechanical advantage, 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. Weight (Standard): 11 oz Weight (Metric): 0.32 kg Width (Standard): 2 in Width (Metric): 5 cm Length (Standard): 7.5 in Length (Metric): 19 cm Effective against bacteria: Yes Effective against chemicals/toxins: Yes Effective against particulate: Yes Effective against protozoa: Yes Effective against viruses: No Filter media: Silica Depth Filter pore size (microns): 0.2 Flow (L/min): 1 liters per min Flow (strokes per liter): 75 Cartridge life: 750 liters Field cleanable: Yes Field maintainable: No Water Bottle Adapter: Yes Cartridge replacement indicator: Yes Country of Origin: Made in the U.S.A. of U.S. and Imported Materials