Quality Material: The inflatable pipe plug is made from durable rubber material, ensuring 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 to inflate. Package Includes: 1 set of 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.