4",6",8" Inspection Lids
These are available to be installed on the RV, Marine, and rectangular plastic tanks.
Inspection lids can be installed or shipped loose to you for your application needs. They show up with a collar and lid for you to install.
*Note: Product Does Not Have A Gasket Offered For It. We recommend running a bead of Food Grade NSF FDA RTV silicone caulking underneath the collar if you have leaking concerns. This can be purchased on Amazon.