18" PVC Check Valve | Agri Drain This low-profile 48" grate fits

This low-profile 48" grate fits on the outside of Corrugated HDPE Drainage Pipe and is oversized to accommodate varying pipe ODs

It uses a rugged 1/2"-thick PVC body

Help eliminate plugged intakes and protect pond tubes from rodent entry with this 8" Hickenbottom Yellow Bar Guard

75" to 11"

Prevent backflow in drainage systems with this 10" PVC Check Valve with Clean Out

18" PVC Check Valve | Agri Drain This low-profile 48" grate fitsGet unique in ground, in line backwater protection for tile drainage systems and commercial applications with this 18" PVC Check Valve. It uses a rugged 1 2" thick PVC body, SDR35 PVC stubs, and reinforced hardware for durable gravity flow performance.