Covers for Conduit Access Fitting Material Aluminum For Use With Appleton GRJS Series Outlet Box Includes Screws Connection Type Screw In Finish Powder Coated Accessory Type Cover Gasket Included Yes Hazardous Location Yes Hazardous Location Rating Class I Division 1 and 2 Groups C D Class II Division 1 and 2 Groups E F G Class III Fits Hub Size 2 9/16 in Series GRJS