This air filter features a cellulose/poly media with skip-a-pleat media stabilization and hot melt stabilization beads for a contaminant holding capacity that performs with a minimum efficiency of 99.9% contaminant removal. Height: 12.490″ Length: 9.330″ Width: 9.330″ Filter media: cellulose Bottom inside diameter: 5.150″ Bottom outside diameter: 9.330″ CFM rating: 625 cfm End material: plastic Style: radial seal Top outside diameter: 9.330″