- Brand: Metal-FabType: Double Wall, Round, Flexible, Type BLength: 3 FootSize: 5 Inch DiameterMaterial: Aluminum Alloy (Inner Wall), G90 Galvanized Steel (Outer Wall)Material Thickness: 0.012 Inch (Inner Wall), 0.018 Inch (Outer Wall)
- Type-B Gas Vent Products are Tested and Listed to UL 441 for Approved Gas Appliances and Feature Our Innovative Twist-Lock Connection and Locking Tab, Eliminating the Need for Sheet Metal Screws
- Type B Gas Vent Combines Hemmed Flues and Casings that Maximize Product Durability and Reliability and Minimize Installation Time
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