Hubbell RF406BR Floor Box Flange and Door

It has 3/4-Inch and 1-Inch knockouts, duplex receptacle, gasket, floor levelling PVC ring, high impact and chemically resistant nylon for convenience. It is pre-assembled and has minimum 4-Inch concrete pour. Floor box comes with a fixed height/levelling ring and a deep-set GFCI/decorator opening that offers aesthetic look. Flange and hinged door cover assembly for floor box has cast into concrete mounting type and cable entry through door for convenient installation. Floor box is UL listed.