Culligan WHR-140 Replacement Shower Filter Cartridge for WSH-C125, HSH-C135, ISH-100 Shower Units. Replacement filter cartridge for Culligan HSH-C135 Hand Held Filter Showerhead (1653-3671); Also reduces sulfur odor and scale; The Culligan WHR-140 filet reduces sulfur odor, chlorine, and scale for softer, cleaner, skin and hair. It is the replacement cartridge for the Culligan WSH-C125, HSH-C135, ISH-100, and RDSH-C115 models. It has a filter life of up to 10,000 gallons or 6 months, is easy to install with no tools required, and includes a filter change reminder sticker. It comes with a 5 year warranty.