16 in x 20 in x 5 in Synthetic Furnace Air Cleaner Filter, MERV 11 2 PK, Bestair Pro, Mfr#: 5-1620-11-2

Furnace Air Cleaner Filter, Filter Type Pleated, Performance Rating MERV 11, Actual Depth 4 3/8 in, Actual Height 15 3/4 in, Actual Width 19 3/4 in, Compatible Grainger Part Number 33R191, Compatible Manufacturer Model Number F100B1000, F100B1008, F100B101008, F100F1004, F100F2028, F150E1000, F200E1003, F25F1075, F35F1032, Number of Filters 2, Media Material Synthetic, Filter Layer Type Electrostatic, Nominal Depth 5 in, Nominal Height 16 in, Nominal Width 20 in, Filters Down To 0.3 micron