The 4" T-cone Combination Test Plug from Braxton Harris is designed for effective testing and sealing of plumbing systems. This test plug features a robust construction that ensures a tight seal, preventing leaks during pressure testing. Its 4" size is compatible with standard plumbing applications, making it a versatile tool for both professionals and DIY enthusiasts. The T-cone design allows for easy installation and removal, while its durable materials ensure long-lasting performance. Ideal for use in various plumbing systems, this test plug meets industry standards for reliability and safety.