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

flexible PVC construction helps create a reliable

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

It fits outlet ODs from 9

it fights debris to keep intakes flowing freely and supports reliable water management

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.