The Dial-A-Spray replacement cartridge also fits the Sprite All-In-One Shower Filter (Sprite part A1C). This filter cartridge effectively removes up to 99% of Chlorine and dramatically reduces lead, iron oxide and hydrogen sulfide. The WR009 easily installs in seconds and lasts 6-9 months. Fits only the Dial-A-Spray WS010 and Sprite All-In-One shower filters.