Metal–fab 4MSC Type B Round Chimney Pipe Storm Collar – For Chimney Pipes With A 4 Inch Inner Diameter

About the Metal-Fab 4MSC

Metal-Fab 4MSC 4" Style M B-Vent Storm Collar. These light commercial and residential B-Vents feature a positive twist locking system designed for easy assembly and dis-assembly without bending or harming the product. The B-Vent Locking System comes standard on 3"- 6" pipes. The Metal-Fab 4MSC 4" Style M B-Vent Storm Collar is ideal for preventing water from entering the ventilation piping system.

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