The Pelican Worldwide 20" Hypalon Tanker Trailer Full Opening Manhole Gasket is the perfect solution for ensuring a tight and secure fit between the lid and the manway of a tank. This gasket is made from durable Hypalon material, which is resistant to a wide range of chemicals, including acids, alkalis and solvents. This ensures that the gasket remains effective in a variety of applications. The 20" size is perfect for larger tanks, and the white color ensures that it blends in with the tank's overall aesthetic. With this gasket, you can be sure that your tank is sealed securely and safely. FleetPride is your First Click in Heavy Duty®.