Selkirk 103018 Round Gas Vent Pipe, 3" x 18"

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DESCRIPTION

Highlights:

• Size: 3" x 18"
• OD = ID + 1/2"
• Installed length 1-1/2" less than listed length
• Aluminum inner wall, galvanized outer wall
• For gravity draft venting of LP or natural gas appliances
• 100 million BTU/hr. max, 500 degree max.
• Not for wall furnaces
• provides for permanent insulation
• Requires 1" clearance to combustible surfaces
• Easy to assemble and can be combined to obtain the required installation height
• Boxed