Air Scrubber Filter, Filter Type , Performance Rating MERV 17, Actual Depth 5 7/8 in, Actual Height 12 in, Actual Width 12 in, Compatible Grainger Part Number 56HV20, 56MW28, 60JD30, Compatible Manufacturer Model Number 987-UCA1, Number of Filters 1, Media Material Glass Microfiber, Nominal Depth 6 in, Nominal Height 12 in, Nominal Width 12 in, Filters Down To 0.3 micron, Filters Out Dust, Fumes, Allergens, Mold, Smoke, Filter Efficiency 99.97 Percent, Frame Material Wood, Includes Frame Yes