Keeney Polypropylene J-Bends trap debris while preventing toxic gases from seeping into your home. Specifically for bathroom sink installations, Keeney J-Bends come with all necessary parts, including nuts and heavy-duty washers, to protect 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.