Philips Shower Filter cartridge, NSF certified KDF Material Double Mesh Filtration, Reducing Chlorine/Impurities/Rust Sediments (shower filter cartridge): With double mesh filtration combined with NSF certified KDF material, this filter instantly cleans your shower water by reducing residual chlorine and other impurities like rust and sediments. : Suitable for hot and cold water, the filter is made of anti scald material which fully adapts to the temperature of your shower water. , & : Hard, chlorinated, chemical ridden water causing itchy skin, flaky dandruff, eczema, bone dry hair, and brittle