Air Filter, Filter Type Pad, Performance Rating Not Rated, Actual Depth 20 in, Actual Height 1 in, Actual Width 20 in, Compatible Grainger Part Number 30RV34, 30RV35, 30RV36, 30RV37, Compatible Manufacturer Model Number PAB 1000, PAB1K-973, PAB1K-993, PAB1K-99ALM, PAB1K-GP3, Number of Filters 1, Media Material Activated Carbon, Filter Layer Type Carbon, Nominal Depth 1 in, Nominal Height 20 in, Nominal Width 20 in, Filters Down To Not Applicable, Filters Out Fumes, Gases, Odors