For use with polyethylene holding tanks. After installation of grommet into tank hole, drain pipe goes inside tank grommet and seals with a hose clamp (sold separately). * Requires a 3-7/8" tank hole

 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