Rectangular flush deep stamped steel floorbox for use with rectangular covers and flanges, for use in concrete floors. This 1 Gang box has 3.75 in minimum depth of pour, includes installation concrete cover, disposable PVC spacer and external 1.25 in prepour leveling screws. Box has 0.50 in adjustable top, (6) 3/4 in, 1 in, 1-1/4 in concentric knockouts and (1) 6 in long #12 AWG ground wire