Cartridge filters are used to filter Chlorine from water eliminating bad taste and odor. There are several different types of filter designs including depth and pleated. Media types include carbon, coconut carbon, ceramic and membrane.
A chemical air filter consists of an absorbent or catalyst for the removal of airborne molecular contaminants such as volatile organic compounds or ozone. Air filters are used in applications where air quality is important, notably in building ventilation systems.