Metal-Fab Premium Biomass 3" to 4" Diameter Increaser Appliance Adapter h21.875 Not approved for use in

Not approved for use in prefabricated and mobile homes

The 32" accommodates most 18" and 24" vent free logs

and extra tall opening show off your fireplace in unparalleled style

Available in paint-grade primed MDF

REAL FIRE: A real dancing flame that produces heat

Metal-Fab Premium Biomass 3" to 4" Diameter Increaser Appliance Adapter h21.875 Not approved for use inBiomass 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