This P-Trap is used to connect the tailpiece of a sink drain to the waste water line and prevents the back-flow of noxious fumes. This one is 12" long from the center of drain to the inlet at the wall. It comes with two fittings and a cleanout plug for easier maintenance and the removal of clogs. Constructed from chrome plated brass. 1-1/2" O.D. Tube. Wall flange is included.
Measurement Diagram: