AirFilter 0.25inD 6.5inH 22inW Pad PK4

Air Filter Filter Type Pad Performance Rating Unrated Actual Depth 1/8 in Actual Height 6 1/2 in Actual Width 22 in Compatible Grainger Part Number 787CH3 Compatible Manufacturer Model Number AC4700B AC4711W Number of Filters 4 Media Material Activated Carbon Filter Layer Type Carbon Nominal Depth 1/4 in Nominal Height 6 1/2 in Nominal Width 22 in Filters Down To 0.3 micron Filters Out Dust Odors Filter Efficiency 99.97 Percent Air Flow @ 300 fpm Not Applicable