Cantex Single Gang 21 cu. in. Oldwork Box

REZ21SO EZ BOX is a 1-Gang, 21 cu. in., renovation application (old work) electrical switch or outlet box. Used for residential or light commercial renovation (old work) projects when a 1-gang box is needed. EZ mount flanges, winged swing tabs and 4 built-in, contractor preferred v-clamps make installation easy and cost effective.