21" Anti-Vortex Plate & Hardware | Agri Drain Zinc dichromate-plated steel resists corrosion

Zinc dichromate-plated steel resists corrosion and installs inside 54" I

this 7" tall x 11 1/4" wide bottom board installs first in the track to support sealing and consistent water control

It secures 8" to 24" drainage pipe on steep grades and high fills using low-stretch polyester straps for stable

This low-profile 8" grate fits on the outside of Corrugated HDPE Drainage Pipe and is oversized to accommodate varying pipe ODs

and cleanup work

21" Anti-Vortex Plate & Hardware | Agri Drain Zinc dichromate-plated steel resists corrosionHelp reduce swirling flow, decrease entrained air into the pipe, and improve discharge efficiency with this 21" Anti Vortex Plate & Hardware. This galvanized plate is sold separately from the matching standard bar guard.