21" Steel Hinged Flap Gate for PVC, CMP | Agri Drain This 4" collar fits on

This 4" collar fits on the outside of PVC

Note: fluorescent color may fade

Plastic slotted section for 10" Precision intake applications

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

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

21" Steel Hinged Flap Gate for PVC, CMP | Agri Drain This 4" collar fits onHelp 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).