Furnace Air Cleaner Filter Filter Type Pleated Performance Rating MERV 11 Actual Depth 4 1/4 in Actual Height 19 1/2 in Actual Width 19 1/2 in Compatible Grainger Part Number 2TE82 33R166 33R193 Compatible Manufacturer Model Number F100B1024 F100F1020 F100F2036 F200E1011 Number of Filters 2 Media Material Synthetic Filter Layer Type Electrostatic Nominal Depth 5 in Nominal Height 20 in Nominal Width 20 in Filters Down To 0.3 micron Filters Out Auto Emission Particulates Dust