Seams continuously welded and ground smoothNo holes or knockoutsSmooth, rounded edges on all sections and fittingsOil-resistant gasket and adhesiveHeavy butt hinges and external screw clampsANSI 61 gray polyester powder paint finish inside and out over pretreated surfaces
nVent HOFFMAN F66W24 F20 Feed Through Straight Section Wireway, 24 in L x 6 in W x 6 in H, Butt Hinged Cover, Steel