HEPA, Filter, Galv, 23-3/8x23-3/8x11-1/2"HC

Filter Efficiency - Air Filters 99.97 Percent, Media Material Fiberglass, Frame or Header Material Steel, Media Area 275 sq ft, Filters Out Particles, Removes Particles Down To 0.3 to 1.0 micron, Air Flow @ 300 fpm 1,900 cfm, Nominal Height 24 in, Nominal Width 24 in, Nominal Depth 12 in, Actual Height 23 3/8 in, Actual Width 23 3/8 in, Actual Depth 11 1/2 in, Includes Gasket, Standards ASHRAE 52.2 Test Method, UL Listed