The 1" MARQ-2 TEST PLUG from WAL-RICH CORPORATION is designed for testing and sealing plumbing systems. This test plug is made from high-quality materials, ensuring durability and reliability during pressure testing. With a standard size of 1 inch, it fits securely in various pipe types, making it ideal for both residential and commercial applications. The design allows for easy installation and removal, providing a convenient solution for plumbing professionals. This product meets industry standards for performance and safety, making it a trusted choice for testing plumbing systems.