Arlington Industries' FLBC4500LRBE Box Extender

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Arlington Industries’ FLBC4500LRBE combination box extender/leveling ring is designed to be used when the finished floor is too high. It extends an installed 4½-in. round box up to 2 in. and levels the box so the cover can be installed. It fits an installed 4½-in. round concrete box such as Arlington’s FLBC4500 and other manufacturers’ boxes.