Jones Stephens has built its reputation over the years as a leader in the plumbing industry, providing the market with thousands of products to complete any project. If you need it, we got it. The 4 in. Cast Iron Cleanout Plug with a 3-1/2 in. raised head is 4 in. in height. This plug is for use with service weight (caulk into hub) or no-hub ( use coupling). Designed for 4 in. pipe. Color: Black.