4" Inspection Lid

Inspection Plates

• Inspection Plates-lids are easy to install and give great access to the tank.
• The inspection plate comes with an easy-to-install collar that attaches to the tank.
•  6 screws tie the collar into the tank, and the lid threads right into the collar.
•  You may want to add a thin bead of silicone caulk under the collar for an ultra-tight seal. 
• The inspection lids are used on most types of plastic tanks.
•  Common uses are for RV, Marine, and Food Service trucks.

4" Inspection Lid Features:

• Inside Diameter: 4"
• Outside Diameter of Collar: 6 1/8"
• Hole Cut Size: 4 1/2"