18" Steel Hinged Flap Gate for Corrugated HDPE Drainage Pipe | Agri Drain 13" and is built for

13" and is built for durable outlet protection on PVC and Corrugated Metal Pipe (CMP)

Zinc dichromate-plated steel resists corrosion and installs inside 12" I

This 36" tall Section 1 piece with molded cap contains 24 1" holes per foot

Steel extension that adds height to a 14" catch basin used to collect excess surface water in residential or commercial applications

3' x 100' No Post Silt Fence helps control sediment runoff and keep topsoil from washing away on construction and land improvement sites

18" Steel Hinged Flap Gate for Corrugated HDPE Drainage Pipe | Agri Drain 13" and is built forHelp keep damaging water out of drainage systems with this 18" steel hinged flap gate. It fits outlet ODs from 20. 5" to 22" and is built specifically for Corrugated HDPE Drainage Pipe.