Culligan WHR-140 Shower Filter Replacement Cartridge. Fits WSH-C125 and HSH-C135 Culligan Shower Filters. Reduces 99% of chlorine, Sulfur Odor, and Scale. Bacteriostatic Level 2 High Quality Replacement Shower Water Filter Cartridge. Replacement cartridge for Culligan WSH-C125, HSH-C135, ISH-100 & RDSH-C115 Reduces chlorine & scale for softer, cleaner skin and hair Reduces sulfur odor Includes a cartridge-change reminder sticker Certified to meet NSF standard 177 for filtered showerhead systems. Replace after 6 months or 10,000 gallons, which ever comes first. Buy in bulk and save.