The Keeney 1-1/2 In. White Polypropylene Center Outlet Tee allows for slip joint connection, making under-sink installation quicker and easier. Made of durable white polypropylene, the Center Outlet Tee has an 1-1/2 In. inlet. The included nuts and washers safeguard against leaks for a problem-free connection. Keeney is a leading manufacturer and distributor of tubular drainage products. Founded in 1923, the Keeney product line includes under-sink drainage, quarter-turn valves, bath drains, toilet repair parts and more.