Designed to make a good shower even better Culligan’s polished chrome In-Line Shower Filter reduces chlorine sulfur odor and scale from your shower water. The filter attaches easily to your 1/2-inch shower arm and the existing showerhead without affecting the height or position of the showerhead. The filter is easy to install with no tools required. Filter life is up to 6 months or 10 000 gallons. The package includes one ISH-200c Shower Filter WHR-140 cartridge Teflon® Tape. A better shower always begins with better water!