What size pipe opening will fit the 3 in. and 4 in. Adjustable Pipe Flashing with Aluminum Base and Rubber Collar?

This pipe boot has been tested and is Building Code compliant with standard schedule 40, 4" PVC pipe (4" OD).

This pipe boot has been tested and is Building Code compliant with standard schedule 40, 4 inch PVC pipe (4 inch OD).