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