Features:

• Gas Vent Pipe
• Type Double Wall, Round, Adjustable Length, Gas Vent
• Applicable Standard UL 441, CUL, NFPA 54
• Size 12"
• Length 18"
• End Type Twist Lock x Twist Lock
• Material Thickness 0.018" Inner Wall, 0.024" Outer Wall
• Material Aluminum Alloy Inner Wall, G90 Galvanized Steel Outer Wall
• Temperature Rating 530 Deg F
• Insulation Supplied Yes
• Inclusions/Features Integral, Annular Insulating Air Space
• Adjustable Length 3" to 8"
• Minimum Clearance 1"
• Air Insulated Pipe Thickness 1/2"
• Assembled Length 1.5"
• Application Gas Furnace, Heaters, Fireplace, Boiler
• Warranty 1 Year Limited