This 20-inch domed tank lid from Norwesco features a built-in gasket to create a secure, watertight seal. Its domed shape sheds rainwater, helping keep the tank free from surface water intrusion.
- 20" diameter fits standard Norwesco manhole openings
- Domed design helps prevent water pooling
- Includes gasket for reliable, watertight sealing
- Heavy-duty polyethylene for durability and UV resistance
- Designed for compatibility with Norwesco extensions and risers
