AP-523-DP-NS Nickel Silver 4" floor receptacle box cover

AP-523-DP-NS Floor Box Covers in Nickel Silver for Concrete Floors 4'' Cover (1/8'' Thick) with (2) 1-1/2'' Screw Plugs for Duplex.  These are designed to work with the AP-812 Series Floor Boxes for wood or concrete.   Flush mount electrical floor box cover which is very attractive.