Replacement Endustra 34005 FilterAir Filter Dimensions 24" x 24" x 2" nominal, 23.5" x 23.5" x 2" actual, Galvanized frame Construction, Polyester Felt Media Filter, Washable, 2500 SCFM, 1.1 W.C. Delta P, 10 micron 98% efficiency, Square Air Compressor Intake Panel Filter |