WiseWater 2" Floor Flanges 4Pcs, Malleable Cast Iron Pipe Flanges, Pipe Fittings with Threaded Hole for DIY Home Project/Furniture/Shelving Decoration And Industrial Vintage Decor (2 inch) - Amazon.com
1/2" 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
Garden 1/2" 3/4" 1" Decorative Flange Malleable Iron Floor/Wall Flange Cast Iron Pipe Fittings Three Bolt Holes BSP Thread 1Pc - AliExpress
STZ Pipe Decor 1/2 in. Black Iron Pipe Flange (2-Pack) 360 F-12-2 - The Home Depot