Metal-Fab Biomass Chimney 3" to 4" Increaser d34.5 25" (in) / 109

25" (in) / 109

This fireplace

1 Bag of black lava rock

Elegant & Efficient

Functions with starter or extension Plaza burners

Metal-Fab Biomass Chimney 3" to 4" Increaser d34.5 25" (in) / 109Biomass factory built chimney and vent intended for use with Biomass fuel appliances approved for Type L low temperature venting systems in accordance with Standard for Chimneys, Fireplaces, Vents, and Solid Fuel Burning Appliances, NFPA 211, and the International Mechanical Code. Biomass Chimney features a corrosion resistant 430 stainless flue and galvanized steel casing designed to operate in highly corrosive biofuel applications. Our cutting edge