Metal-Fab 3" Premium Biomass 12" Straight Pipe - Black - 3B12B

Metal-Fab 3" Premium Biomass 12" Straight Pipe - Black - 3B12B

444 stainless steel liner. Galvanized casing. 1" clearance to combustibles.
Note: Pipe overlaps 1 1/2" when joined together. Assembled length is 1 1/2" less than listed length.

Type L Biomass Chimney
For use with biomass fuels such as pellet, corn, wheat or other grassy and woody plants as specifiedby appliance manufacturers.
  • Tested and Listed to UL641
  • Factory-built double wall construction, using 444 stainless steel flue and galvanized steel outer casing.
  • Continuous laser-welded inner flue and casing.
  • 1" clearance to combustibles vent system, rated for continuous use of flue temperatures up to 570 degrees F.
  • Silicone gaskets provide airtight seal eliminating fly ash leakage.
  • Innovative twist-locking connections rotate 130 degrees allowing seam alignment for an aesthetically pleasing installation.
  • Limited Lifetime Warranty
We strive to ship within 5-7 business days, but in-season delivery can take up to 2 weeks or more. If you have any questions or concerns about delivery, please e-mail us at:

PDF Click to see the Metal-Fab Premium Biomass Brochure

California residents please click on the link for information on Proposition 65 BEFORE purchasing.