21" Steel Hinged Flap Gate for PVC, CMP | Agri Drain This low-profile 15" grate fits

This low-profile 15" grate fits on the outside of PVC or Corrugated Metal Pipe (CMP) and is oversized to accommodate varying pipe ODs

Help keep pipe from being washed out with this 4' x 4' Anti-Seep Collar

This low-profile 36" grate fits on the outside of PVC or Corrugated Metal Pipe (CMP) and is oversized to accommodate varying pipe ODs

It fits outlet ODs from 16

This 30" collar fits on the outside of Corrugated HDPE Drainage Pipe and holds the grate flush inside the collar

21" Steel Hinged Flap Gate for PVC, CMP | Agri Drain This low-profile 15" grate fitsHelp keep damaging water out of drainage systems with this 21" steel hinged flap gate. It fits outlet ODs from 21" to 23 and is designed for PVC and Corrugated Metal Pipe (CMP).