Cantex EZ Box New and Old Work Square PVC 1 gang Box Extension Gray

CANTEX EZ03SXA EZ BOX 1-gang cover provides a 1/2 in. rise or extension for any CANTEX 4 inch square EZ BOX, 4 inch square ENT box or 2-gang ENT boxes. These risers easily reduce CANTEX 4 inch square or 2-gang ENT boxes to single-gang usage. The riser has 4 notches for easy installation of screws to secure the riser.