Whirlpool WHA2BF5 Carbon Block Whole Home Water Filter, Standard Capacity, White Reduces sediment, chlorine taste and odor, sand, silt and rust Carbon block filter provides better tasting water throughout your home 5 micron filter  the lower the micron rating the more particles or contaminants removed by a whole house filter Each cartridge has a 3 month filter life Universal fit - guaranteed to fit all major brands of standard size whole home water filtration systems including Whirlpool, ecopure, Omni, culligan, watts, filtrete, 3M, generation, and DuPont