RELIABILT 3/4-in Black Floor Flange in the Black Pipe & Fittings department at Lowes.com
3/4" Floor Flange, Home TZH Malleable iron Pipe Fittings for Industrial vintage style, Flanges with Threaded Hole for DIY Project/Furniture/Shelving Decoration (10 Pack) - Amazon.com
Pipe Flanges - 3" 150# Ductile Iron Black Threaded Companion Flanges for Piping Systems