Web® Adjustable Electrostatic Air Filter, 14x20 In. To 20x25 In.
| Traps Over 90% Of Particles, Such As Pollen, Dust and Animal Dander | Washable, Re-Usable, Easy-To-Clean | Adjustable, Fits All Standard Furnace/AC Systems From 14" X 20" To 20" X 25"