Quality Material: The inflatable pipe plug is made from sturdy rubber material that ensures long-term use and resistance to wear and tear. Versatile Use: This sewer test plug is suitable for a variety of applications, including pipeline maintenance, testing, and repairs. It can be used in different types of pipes, including sewer, drain, and duct. It is an essential tool for plumbers. Function: This inflatable pipe plug is specifically designed for sealing and testing sewer pipelines, providing a reliable and efficient solution for municipal pipe maintenance. Easy to Use: The plumbing test plug comes with a hand-inflatable bulb and is easy to operate without requiring complex steps. Package Includes: 1 set inflatable pipe plug Specifications: Material: Rubber Size: 19 cm x 14.5 cm / 7.48 inch x 5.71 inch Note: Please allow slight measurement deviations of 1–2 cm (0.39–0.79 inch) due to manual measurement.