7" Tall x 11 1/4" Overmolded Bottom Stoplog Board | Agri Drain This low-profile 15" grate fits

This low-profile 15" grate fits on the outside of Corrugated HDPE Drainage Pipe and is oversized to accommodate varying pipe ODs

Zinc dichromate-plated steel resists corrosion and installs inside 15" I

flexible PVC construction helps create a reliable

9" and is built specifically for Corrugated HDPE Drainage Pipe

7" Tall x 11 1/4" Overmolded Bottom Stoplog Board | Agri Drain This low-profile 15" grate fitsBlack overmolded bottom stoplog board for Inline Water Level Control Structures. Injection molded for rugged durability, with a thicker bottom o ring. This bottom most stoplog must be installed first and is sized for standard Inline style structures with inside dimensions of 11 5 8" wide x 12" depth.