Part #4MSC

Product Description

4", 0.018" Outer Wall, Aluminum Alloy/G90 Galvanized Steel, Round, Type B, Double Wall, Storm, Gas Vent Storm Collar
B-Vent Collar, 4" Storm 4GVSC

Part #4MSC

Product Description

4", 0.018" Outer Wall, Aluminum Alloy/G90 Galvanized Steel, Round, Type B, Double Wall, Storm, Gas Vent Storm Collar