FILTER SDMNT/CRBN 2PK by WATTS PREMIER MfrPartNo 560038 Fits all standard 10" Reverse Osmosis and water filtration systems Reduces chlorine, taste and odor Reduces fine particles like sediment, sand, silt, soil and rust Expected life span - 6 months or 3000 gallons Includes: 1 high quality 5-micron sediment filter and 1 coconut shell carbon block filter