Air Filter, Filter Type Panel, Performance Rating MERV 11, Actual Depth 4 3/8 in, Actual Height 20 in, Actual Width 25 in, Compatible Grainger Part Number 2TE81, 33R192, Compatible Manufacturer Model Number F100B1016, F100F1012, F100F2002, F150E1026, Number of Filters 1, Media Material Synthetic, Nominal Depth 4 in, Nominal Height 20 in, Nominal Width 25 in, Filters Down To 0.3 micron, Filters Out Allergens, Dust, Pollen, Filter Efficiency 25 Percent, Air Flow @ 300 fpm 2,000 cfm