Air Scrubber Filter, Performance Rating Not Applicable, Actual Depth 4 1/2 in, Actual Height 25 9/16 in, Actual Width 25 1/4 in, Compatible Grainger Part Number 54FH73, Number of Filters 1, Media Material Mixed Media, Filter Layer Type , Filters Down To 0.3 micron, Filters Out Dust; Slurry; Particulates, Includes Frame Yes