Metal-Fab Type B Round Chimney Pipe Length - 4" x 12" - 4M12

The Metal-Fab Type B Round Chimney Pipe length effectively vents Category I appliances such as gas-fired fireplaces, furnaces, water heaters, and boilers. The dimensions of this pipe is 4 in. inner diameter by 12 in. long. Constructed with .018 in. galvanized steel outer wall and .012 in. aluminum alloy inner wall, this double wall design allows a 1 in. clearance to combustibles. These pipes feature SureLock locking system that creates a secure connection without tools!

• Effectively vents Category I appliances such as gas-fired fireplaces, furnaces, water heaters, and boilers
• .018" galvanized steel outer wall and .012" aluminum alloy inner wall
• 1/4" insulating air space
• Double-wall design allows a 1" clearance to combustibles
• SureLock locking system creates secure connections without tools
• Hemmed flue and casing eliminate sharp edges
• Compatible with other brands of 4" UL Listed round gas vent pipe (see list below)
• Listed to UL 441
• Limited one-year warranty
• Approximate Dimensions: 4" inner diameter x 12" L

Compatible with the following brands of Type B gas vent pipe:

• General Products Co. - Airjet
• American Metal Products Co. - Amerivent
• Hart & Cooley - Metlvent
• Household Manufacturing Inc. - Metalbestos and Airmate
• Mitchell Metal Products Inc. - Mitchvent
• Selkirk Metalbestos - Metalbestos
• Simpson Dura-Vent Inc. - DuraVent
• ECCO Heating Products - ECCO Manufacturing