Ameri-Vent Storm Collar, Double Wall, Round, 4 in Nominal, 4-1/2 in Inside Diameter, 7-5/8 in Outside Diameter, 1-1/2 in Thickness, Steel, G-90 Galvanized, UL Listed, For Type B Gas Vent Pipe
Manufacturer: AMERICAN METAL Model Number: 4ESC UPC: 095029330252
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