ClimateMaster - Made for Geothermal Units - Washable, Permanent, Electrostatic A/C Furnace Filter

These permanent filters are designed for ClimateMaster systems, featuring a mill-finished aluminum frame and a pleated design for increased airflow.

• The filter develops an electrostatic charge that acts like a dust and allergen magnet.
• The filter claims to have greater dust holding capacity and efficiency with a lower pressure drop.