(Package Of 2) Sprite SLC Replacement Slim Line Shower Filter Cartridge Recyclable Slim-Line Filter Cartridge (Model SLC) Cartridge Life Rating: 6 Months For use with Slim-Line, Slim-Line in Solid Brass and Slim-Line 2 units The Slim-Line Cartridge is compatible with Sprites Slim-Line, Deluxe, Pure Spray and Royale.