The replacement shower filter is fitted to the following AQUA FILTER devices: FHSH-5-C, FHSH-6-C, FHSH-8-CW, FHSH-8-CB, FHSH-8-CCH Effectively removes harmful vapors caused by a mixture hot water and chlorine during showering and bathing. Features -Eliminates chlorine -Removes heavy metals (lead, chromium, mercury) -Improves the taste and smell of water -Minimizes adverse reactions with chlorine (smooth and softer skin, reduced eye irritation and healthy hair) -Filter change every 3-4 months