Culligan RFC-BBS Level 4 Premium Heavy-Duty Sediment Replacement Cartridge: Replacement cartridge fits the HD-950A Reduces: sediment, rust, scale, dirt, coarse sand, sand, fine sand, silt, bad taste, aesthetic chlorine taste and odor 25 micron radial flow granular carbon cartridge Cartridge life is up to 6 months or 10,000 gallons Recommended for use with city and well water supplies Cartridge change reminder sticker included Model# RFC-BBSA Heavy duty sediment and drinking water replacement cartridge Premium filtration of very fine sediment particles Better water. Pure and simple.

Culligan RFC-BBS Level 4 Premium Heavy-Duty Sediment Replacement Cartridge: Replacement cartridge fits the HD-950A Reduces: sediment, rust, scale, dirt, coarse sand, sand, fine sand, silt, bad taste, aesthetic chlorine taste and odor 25 micron radial flow granular carbon cartridge Cartridge life is up to 6 months or 10,000 gallons Recommended for use with city and well water supplies Cartridge change reminder sticker included Model# RFC-BBSA Heavy duty sediment and drinking water replacement cartridge