PlumbersStock is glad to offer this decorative test-ball plug, by Oatey. This 041394 10" Single-Size Test-Ball Plug is excellent for pressure testing and blocking the flow of residential DWV system using most types of pipes. It features a durable rubber construction known to have a higher resistance to abrasion, wear and water and it includes a removable Schrader valve that can be replaced with your choice of quick-disconnect fittings. It is recommended for use in maintaining municipal infrastructures, including sanitary and storm sewer pipe systems. This sturdy and rugged 10" single-size test ball plug is effective on almost any type of pipe including out-of-round pipe. It is designed to withstand pressure up to 17 PSI at 40 feet of head. Feel free to visit our Oatey Manufacturer Page to know more about Oatey products and their exciting features. Oatey takes pride in providing their customers with quality products that are dependable and applicable for all of those who use them and are proudly sold here on PlumbersStock.com.