Metal-Fab 6" to 7" Type B Round Chimney Pipe Increaser - 6MIX7

The sizing of pipe diameters can be a challenging aspect to properly ventilating your fireplace. In order to do the job correctly it is essential to have the correct parts. Metal-Fab has designed a round chimney pipe increaser that has the same quality and safety features as the other parts in their chimney pipe liners. This chimney pipe increaser opens a 6 inch round pipe to adapt to a 7 inch round pipe. By choosing Metal-Fab type B round chimney pipe increaser you will be able to complete your ventilation system without cutting corners as well as consistent quality.

• Allows connection of 6" and 7" pipe
• .018" galvanized steel outer wall and aluminum alloy inner wall
• Double-wall design allows a 1" clearance to combustibles
• For use with Metal-Fab Type B Round Chimney Pipe
• Secure locking system requires no tools
• Hemmed flue and casing eliminate sharp edges
• 6" end is compatible with other brands of UL Listed round gas vent pipe (see list below)
• Listed to UL 441
• Limited one-year warranty
• Specifications:
• Small End: 6" Dia.
• Large End: 7" Dia.
• Height: 8.5"

3" to 6" pipe sizes are 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