SturdiMount 11.5 in. L X 9.1 in. W Polyurethane Trim White Receptacle Mount 5 pk

SturdiMount blocks are manufactured using cellular PVC. Its engineered water management system maintains integrity with its innovative pre-flashed, pre-assembled design. The 12 color-matched colors provide a clean finished look you can’t get anywhere else. And Trim White can be left white or painted.