The OdorGuard¿ Ring Panel Air Filters are designed for use in hvac systems and air cleaners. The ring panel filters contain granular activated carbon to remove odors and gaseous and particulate pollutants, and are available in several sizes. Made using a patented filter media that offers low resistance to airflow, the filter adsorbs pollutants and odors.

D-Mark Inc., 25712 D'Hondt Court, Chesterfield, MI 48051-2600; 810/949-3610; fax 810/949-4181.