The Original Filtered Shower Handle is the world's first shower handle to incorporate advanced filtration technology into a multi-function shower handle. Host Mount Shower Handle with Built in Filter 3-way Massaging Spray 72" Reinforced Hose High Strength Bracket Triple Plated Finish Reversible Filter Cartridge (Model HHC) Cartridge Life Rating: 3 MonthsThe Sprite HH-WH Handheld White Shower Filter System uses the Sprite HHC-2 replacement water filter cartridge which should be replaced every 3 months.