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, such as sewer, drain, and duct lines. It is a useful tool for plumbing professionals. Function: This inflatable pipe plug is 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, making it simple to operate without requiring complex steps for inflation. 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 due to manual measurement.