Selkirk 103018 Round Gas Vent Pipe, 3" x 18" Touch Up Marks up to 250% more

Marks up to 250% more linear feet than other brands

Between struts and planking

No tools required to attach or detach

Replace every 6 months or 400 gallons

Tool-less blade change system- fast and effortless blade installation and removal

Selkirk 103018 Round Gas Vent Pipe, 3" x 18" Touch Up Marks up to 250% moreHighlights: 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