1.T Adapter Size: The bidet t adapter has a thread size of 3/8'-3/8'-3/8' (also known as 9/16'-9/16'-9/16' thread). The female 3/8' thread connects to the angle valves, the male 3/8' thread connects to the water supply hose, and the male 3/8' thread connects to the bidet attachment. 2. Material: This bidet t adapter is made of solid brass that resists corrosion and is rust-proof, heavy duty, and water-proof. Metal T valve for bidet provides much higher performance and durability than plastic. 3.Widely Application: The 3 Way Tee Connector is a multi-functional solution that easily splits the water supply into separate pathways. Engineered to fit most toilet tanks and bidet attachments with hot and cold water systems, this connector is designed for convenience and compatibility. Upgrade your bathroom to enjoy the advantages of a more efficient and customizable water system. 4.: No plumbers and tools are required, quick and trouble- to install with all provided accessories in the package, just following the installation manual is an easy job to finish in a few minutes.