This cover is for use with Bryant Electric Floor Box #RF400 (sold separately) Pre-assembled flange, cover and leveling ring for quick installation; floor box not included Designed for slab-on-grade installation. Quick and easy installation is assured using a push in floor box leveling system Included recessed 15A 125V tamper-resistant duplex receptacle minimizes plug protrusion allowing furniture to be located over the plug Removable neoprene gaskets allow for independent use of either side of the receptacle with the cover closed