20x25x5 Electrostatic Washable Furnace and Ac Filter 19-3/4 x 24-3/8 x 4-3/8 Replaces 20x25x5 disposable media air filters Actual size: 19 3/4 x 24 3/8 x 4 3/8 Electrostatic, Washable, Permanent Filter Non-Rusting Stainless Frame, Lifetime Warranty 100s+ Sizes available - see our other listings