ABB 6 inch Flush Service Round Non-Metallic Floor Box

Flush Service Round Floor Box, 140 Cubic Inches, Opening Diameter 5-31/32 Inches, Base Diameter 8-1/8 Inches, Depth 6 Inches, 1 Inch and 1-1/2 Inch Conduit Hubs, Non-Metallic, Minimum Concrete Depth Flush 4 Inches Furniture Feed 3-1/2 InchesFEATURES:- 6 Inch diameter round non-metallic floor box, the largest in the industry- No wasted time leveling the box before the concrete is poured, simply cut the box at the appropriate height after the pour.- No gluing, stainless steel retention barbs secure the mounting frame to the box.- Round design, no need to align the box with walls during installation- Accepts standard devices from any manufacturer, including duplex, GFCI, locking, hospital grade or isolated ground receptacles