4inch PVC Hinged Vent Flap Valve (Large)

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4inch PVC Hinged Vent Flap Valve Features

• 1/32" stainless mesh

• Includes coupler to Standard Schedule 40 PVC

• Hinged vent flap lifts open as water volume increases

• Stop critters from living in your PVC pipe

• Seal the opening from insects getting into your pipe.

About 4inch PVC Hinged Vent Flap Valve

Description Choose either the 3 or 4 inch version to fit your schedule 35 or 40 PVC pipe. The hinge allows the vented flap to swing open as water volume increases and closes to keep out critters