The Cherne Industries Inc 270040 is a four-inch plumbing test ball plug. This product is made from natural rubber which allows for effective sealing. It has good expansion and excellent memory properties. The ring-and-chain assembly is designed to keep the plug secure and prevent it from falling into the drainage system during testing.
This plumbing test ball plug provides a reliable solution for testing plumbing systems. It can effectively seal various pipe sizes, making it a versatile tool for plumbing professionals.