HDPE Backing Rings Showing all 3 results Default sortingSort by popularitySort by average ratingSort by latestSort by price: low to highSort by price: high to low 1-1/8 Inch (in) Inside Diameter (I.D.) Carbon Steel Flange to Fit IPS Pipe Stub Ends Read more 1-3/8 Inch (in) Inside Diameter (I.D.) Carbon Steel Flange to Fit IPS Pipe Stub Ends Read more 7/8 Inch (in) Inside Diameter (I.D.) Carbon Steel Flange to Fit IPS Pipe Stub Ends Read more