| abstract |
A medium (210) having a support structure configured for circulation of a fluid therein, such as a replaceable filter cartridge (258), including a sanitizing agent (236) which contains one or more reactants that are chemically configured for delivering chlorine dioxide or other sanitizing agents in a controlled dose to sanitize, deodorize, and disinfect upon being wetted by the fluid and positioned in the medium support structure to be exposed to the fluid circulating therein. |