Air Scrubber Filter, Filter Type Carbon, Performance Rating MERV 7, Actual Depth 1 in, Actual Height 16 in, Actual Width 16 in, Compatible Grainger Part Number 56GX66, 56GY10, 56GY11, Compatible Manufacturer Model Number BD-AS-550, Number of Filters 3, Media Material Charcoal, Filter Layer Type Carbon, Nominal Depth 2 in, Nominal Height 16 in, Nominal Width 16 in, Filters Down To 4 micron, Filters Out Cleaning Chemicals, Cooking, Fuel, Mildew, Odors, Pets, Smoke, Filter Efficiency 99.97 Percent