This 10 inches General Purpose Polypropylene Yarn Water Filter Cartridge removes dust, rust, silt, grease, and other unwanted sediments as small as 0.5 micron. It is an exceptionally good chemical compatibility and excellent resistance to micro-organisms, designed primarily to filter and remove dirt, debris, and even microscopic particles from carbon dominated water. A micron is one-millionth of a meter or one twenty-five thousandth of an inch. This filter cartridge is a 0.5-micron filter, thus removes particles as small as 0.5 microns. This filter cartridge is removed periodically for cleaning, and ideal to replace within 4 to 6 months of usage. This Polypropylene Yarn Water Filter Cartridge have an exceptionally good chemical compatibility and excellent resistance to micro-organisms and It is suitable for residential, industrial, as well as for commercial purposes and applications. It is a general/multi-purpose sediment removal such as dust, rust, silt, scale, etc. This sediment water filter cartridges is 26*6cm (10" length), suitable for all 10" water filter compartment.