18" Heavy Duty Black Bar Guard | Agri Drain This 42" collar fits on

This 42" collar fits on the outside of Corrugated HDPE Drainage Pipe and holds the grate flush inside the collar

It reads slope ratio for bulldozers and heavy equipment

or Corrugated HDPE Drainage Pipe

Horizontal in-line installation helps protect basements and field tile when creeks rise

This 15" version fits on the outside of Corrugated HDPE Drainage Pipe and is intended for heavier-duty surface conditions

18" Heavy Duty Black Bar Guard | Agri Drain This 42" collar fits onHelp eliminate plugged inlets by keeping out big chunks of debris with this 18" Heavy Duty Black Bar Guard. Designed to slide inside 18" I. D. pipe, it is a strong choice where a low profile, high capacity intake is required.