Used for draining a sink or shower directly to the exterior of the unit for easy disposal using a bucket or portable holding tank. Often used on fold down campers and marine applications. Connected using a 3/4" vinyl or plastic tubing and the exterior port is a standard 3/4" MPT water hose connection.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov