The Culligan D-10A Drinking Water Filter Cartridge reduces sediment, taste, odor, and chlorine. Easy to install in under sink water filter systems, this replacement cartridge features a carbon-impregnated cellulose filter which reduces chlorine taste and odor and filters extra fine dirt, rust, sand, and scale particles. This 5-micron extra-fine sediment water filter is NSF Certified. Water filter life: up to 3 months or 250 gallons. Easy to install in under sink water filter systems Lasts up to 3 months or 250 gallons