Appleton® UNILETS® Conduit Outlet Box, L-Style Dust-Ignitionproof Explosionproof, Series: GR Series, 2 in, 4.88 in Cover Opening Size, 76 cu-in, For Use With: Threaded Metallic Conduit System, Malleable Iron, Triple Coated, 5-3/4 in H x 5-3/4 in W x 4-1/4 in D