Air Filter, Filter Type Pleated, Performance Rating MERV 17, Actual Depth 1 5/16 in, Actual Height 24 1/8 in, Actual Width 13 13/16 in, Compatible Grainger Part Number 784JK7, Compatible Manufacturer Model Number 602605400, TrioPro, Number of Filters 2, Media Material Activated Carbon, Polyester, Filter Layer Type H13 HEPA and Activated Carbon Honeycomb, Nominal Depth 1 5/16 in, Nominal Height 24 1/8 in, Nominal Width 13 13/16 in, Filters Down To 0.3 micron