Keeney plastic extension tube allows you to extend the waste connection from your sink to your drain connection. Easily install with slip joint connection. All necessary nuts and washers are included and provide a strong connection so you can avoid leaks. The black polypropylene material is durable and made to last. 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.