Lew Electric 812 CAST IRON BOX FOR 812DFB

Features: Sides (2) 3/4IN and (2) 1/2IN, Bottom (2) 1/2IN Conduit Opening, Floor box with 503 BRASS COVER for Comm/Data, Application: For use in wood or concrete, Standard: UL, CUL, Material: Cast Iron, Size: 4.00 X 3.00IN