HEPA Filter 99.97 per., 18inHx24inWx12inL

Air Scrubber Filter, Filter Type HEPA, Actual Depth 12 in, Actual Height 18 in, Actual Width 12 in, Compatible Grainger Part Number 49K228, Compatible Manufacturer Model Number OA2000C, Number of Filters 1, Media Material Wood, Nominal Depth 12 in, Nominal Height 18 in, Nominal Width 24 in, Filters Down To 3 micron, Filters Out Bacteria, Dust, Mold, Smoke, Viruses, Filter Efficiency 99.97 Percent, Frame Material Wood, Includes Frame Yes