21" Steel Hinged Heavy Duty Flap Gate for PVC, CMP | Agri Drain resists rust and corrosion

resists rust and corrosion

Zinc dichromate-plated steel resists corrosion and installs inside 42" I

This 15" collar fits on the outside of PVC or Corrugated Metal Pipe (CMP) and holds the grate flush inside the collar

Flexible Fernco coupling for secure drainage pipe connections between 8" PVC and 8" PVC

leak-proof seal and accommodate slight OD variation for easier installation

21" Steel Hinged Heavy Duty Flap Gate for PVC, CMP | Agri Drain resists rust and corrosionHelp keep damaging water out of drainage systems with this 21" heavy duty hinged flap gate. It fits outlet ODs from 21" to 23" and is built for durable outlet protection on large PVC and Corrugated Metal Pipe (CMP).