Air Scrubber Filter, Performance Rating MERV 14, Actual Depth 12 in, Actual Height 24 in, Actual Width 24 in, Compatible Grainger Part Number 49K228, 49K232, Compatible Manufacturer Model Number OA2200C, OA2200UL, Number of Filters 1, Media Material Polyester, Nominal Depth 12 in, Nominal Height 24 in, Nominal Width 24 in, Filters Down To Not Applicable