Polylok Heavy Duty Cover for Corrugated Culvert. These heavy duty covers are made of HDPE with the highest UV Protection on the market today. Every cover comes with a factory-installed foam gasket.
We offer plug covers that fit all major manufactuers' 12", 15", 18", 24" & 30" interior diameter plastic corrugated pipes.
These covers will withstand normal residential and light commercial traffic.
They are ideal for use with grease traps or commercial septic tanks and advanced treatment systems.
Non-slip surface
The highest level of UV protection included
Foam gasket for airtight and watertight applications included
