*PLUMBERSSTOCK EXPERT* responded:
Good day! We appreciate your interest in our Metal-Fab 8TGC. The outside diameter for this product is 11" while the inside diameter is 8". The one with a 6" inside diameter is the Metal-Fab 6TGC. Check out the link and if you wish to order any of these products, just click Add To Cart and you're all set. Should you have further questions, please let us know. We are not here to just make a sale but we want you to be happy and confident on your plumbersstock purchases. Thank you for shopping with plumbersstock.com - the perfect site to find high-quality products at low, low prices!