4" Stainless Steel Hinged Flap Gate for PVC, CMP, HDPE | Agri Drain Color:Gray This 15" version fits on

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

It reads percent of grade for tiling machines and graders

This version is the 12 HPF configuration with 1" holes and is used where a lower hole-per-foot opening pattern is needed in the top section

Agri Drain’s 4" x 36" Green Water Quality Inlet is a specialized sediment control intake designed to replace standard inlets in farm fields

Its patented design extends from your hand to the ground and inserts flags with a squeeze of the trigger

4" Stainless Steel Hinged Flap Gate for PVC, CMP, HDPE | Agri Drain Color:Gray This 15" version fits onHelp keep damaging water out of drainage systems with this 4" stainless steel hinged flap gate. It fits outlet ODs from 3. 85" to 5. 1" and is designed for PVC, Corrugated Metal Pipe (CMP), or Corrugated HDPE Drainage Pipe.