7" Tall x 30 3/4" PVC Bottom Stoplog Board | Agri Drain in-line backwater protection for tile

in-line backwater protection for tile drainage systems and commercial applications with this 18" PVC Check Valve

and removal during routine maintenance

This 10" model manages drain tile up to 10" diameter and maintains a 12" water elevation difference between the upstream and downstream sides in free-flow or managed-flow operation

it provides a dependable branch connection and fits 8"-15" pipe with high-durometer PVC construction and stainless steel clamps

7" Tall x 30 3/4" PVC Bottom Stoplog Board | Agri Drain in-line backwater protection for tilePVC bottom stoplog board with stainless steel hooks and a thicker bottom o ring. Built for larger Inline Water Level Control Structures, this 7" tall x 30 3 4" wide bottom board installs first in the track to support sealing and consistent water control.