Collection: Filters.

SILVER (1 INCH THICK) - The Economical Washable, Permanent, Electrostatic A/C Furnace Filter

GOLD - The Deluxe Washable, Permanent, Electrostatic A/C Furnace Filter

PLATINUM (1 INCH THICK) - The ULTIMATE Washable, Permanent, Electrostatic A/C Furnace Filter

MaxMERV9 - The High Arrestance Washable, Permanent, Electrostatic A/C Furnace Filter

ECO-FLEX - The Economical Flexible Washable, Permanent, Electrostatic A/C Furnace Filter

DELUXE-FLEX - The Flexible Washable, Permanent, Electrostatic A/C Furnace Filter

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

MEDIA-TYPE - Replacement Washable, Permanent, Electrostatic A/C Furnace Filter

Permanent 1/4 Inch Pre-Filters for Electronic Air Cleaners (EAC)

SILVER (2 INCH THICK) - The Economical Washable, Permanent, Electrostatic A/C Furnace Filter

PLATINUM (2 INCH THICK) - The ULTIMATE Washable, Permanent, Electrostatic A/C Furnace Filter