Features: WATER PURIFICATION: Premium material with KDF can efficiently reduce 99% of chlorine, heavy metals, limescale, sulfur odor, sediment, and other harmful impurities. Waterdrop filters are of premium quality, dedicated to improving water quality and enhancing your shower experience. SAFE AND LONG-LASTING: Enjoy clean, clear water by replacing your filter every 6 months or after 10,000 gallons, whichever comes first, depending on your water quality. HASSLE-FREE INSTALLATION: Easy to install with no tools required. REPLACEMENT MODEL: WHR-140. Compatible with models WSH-C125, RDSH-C115, HSH-C135, HSH-BN135, ISH-100, ISH-200, ISH-300, S-H200-C, S-H200-BN, S-W100-C, S-W100-BN. This is not an original equipment manufacturer product. CUSTOMER SERVICE: We care about your satisfaction. If you have any questions or concerns about the product, Our professional customer service team will assist you promptly.