Ductile Iron Back-up Ring Flange 4-1/2" ID - 9" OD. 9/16" thick. Never used. Selling these because we have many remaining in storage and we no longer have a need for them.
We also have many other sizes of these type of flanges as well. Feel free to message us if you are looking for a specific size or have any questions.
Thank you.
-MFM-