30" Heavy Traffic Grate Collar for Corrugated HDPE Drainage Pipe | Agri Drain This 12" model uses SCH40

This 12" model uses SCH40 hubs and offers unrestricted flow

This 36" collar fits on the outside of Corrugated HDPE Drainage Pipe and holds the grate flush inside the collar

and underground tanks with this 6' Heavy Duty Tile Probe

This low-profile 15" grate fits on the outside of Corrugated HDPE Drainage Pipe and is oversized to accommodate varying pipe ODs

30" Heavy Traffic Grate Collar for Corrugated HDPE Drainage Pipe | Agri Drain This 12" model uses SCH40Heavy steel traffic grate collar designed for traffic areas while protecting drainage intakes and improving water flow. This 30" collar fits on the outside of Corrugated HDPE Drainage Pipe and holds the grate flush inside the collar.