Electrical mounting block with UL listed 18 cu. in. outlet box; decoratively provides a level and waterproof surface for all exterior fixtures. Durable, maintenance-free, UV stabilized and constructed with color molded so they won't scratch, flake or fade. The patented snap-on trim ring makes installation easy; can be used on standard or insulated siding. 5 x 6 in ID. 7 x 8 in OD.
