AmeriVent Fixed Storm Collar, Vent Hole Size: 3 in, Material Gauge: 0.18 in, Steel, Galvanized, Dimensions: 3-1/2 in ID x 6-5/8 in OD x 1-7/16 in H, Installation Type: Wall, Suitable for: Type B Gas Vent
Manufacturer: AMERICAN METAL Model Number: 3ESC UPC: 095029330207
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