Rectangular flush deep cast iron base floorbox with a stamped steel adjustable top for use with rectangular covers and flanges, green corrosion resistant painted, for use in concrete floors. This 1 Gang box has 3.50 in minimum depth of pour, includes installation concrete cover, disposable PVC spacer and external 1.25 in prepour leveling screws. Box has 0.875 in adjustable top, (4) 1 in threaded hubs, ships with (2) 1 in to 3/4 in threaded reducers and (1) 6 in long #12 AWG ground wire