Air Cleaner Filter Kit, Filter Type Prefilter, Performance Rating MERV 16, Actual Depth 2 1/2 in, Actual Height 11 1/2 in, Actual Width 18 in, Compatible Grainger Part Number 2YGA6, Compatible Manufacturer Model Number 2YGA6, Number of Filters 2, Media Material Synthetic, Filter Layer Type Media, Nominal Depth 3 in, Nominal Height 12 in, Nominal Width 18 in, Filters Down To 0.3 micron, Filters Out Auto Emission Particulates, Dust, Filter Efficiency 95 Percent, Includes Frame Yes