🔒 Seal the Deal with Confidence! Constructed with ABS glass-reinforced plates for unmatched durability and strength. Plastic body and galvanized components resist rust, ensuring longevity in any environment. Rated for 17 PSI, this plug is engineered for high-performance pressure testing. Effective on most piping materials, making it a go-to solution for various applications. End-of-pipe design ensures a secure fit, preventing any leaks during testing. 17 PSI strength 3 in. size Chemical-resistant The Oatey33402 Mechanical Test Plug is a robust 3-inch plug designed for effective sealing and pressure testing of piping systems. With a maximum pressure rating of 17 PSI and made from durable, corrosion-resistant materials, this plug is ideal for both short-term and long-term applications. Its innovative design prevents accidental falls into stacks, making it a reliable choice for professionals in the field.