The Sprite HHC-2 is the replacement cartridge for Sprite Hand-Held Shower Filter Systems, The Sprite HHC-2 Filters come in a 2-pack, Sprite Shower Filters have a patented Chlorgon non-carbon media which filters chlorine, The Sprite Hand-Held Replacement Cartridge is a reversible 3-month filter cartridge which can be easily reversed and operated in both directions, SKU: CWD1761