3" Rubber Grommet - Black

3" Rubber Grommet used in Black Water Holding Tank

Hole Saw Needed 3 3/4"

Customer will measure and determine where inlet will be placed on Black Waste Tank.

Use correct size hole saw bit in order to drill a hole in the tank and place grommet in hole. Grommet will secure inlet pipe with no adhesives needed.

Included are a few short videos displaying the grommet installation process.

Answer: Grommets are not food safe so can only be used for gray or waste applications, the Uniseal fittings are food safe so can be used for all applications.