DuraVent DuraPlus 6 in. Stainless Steel Square Ceiling Support Box Color:Black Heat treated alloy steel for

Heat treated alloy steel for long life & durability

coating that forms a reflective and protective finish to roofs

It's easy to add fine details and lettering to your cakes

it resists condensation

long outside the egg

DuraVent DuraPlus 6 in. Stainless Steel Square Ceiling Support Box Color:Black Heat treated alloy steel forDuraPlus is designed to stay cool on the outside, to provide a hot draft on the inside, to boost stove efficiency and to provide for a fire safe design that protects both the chimney and the building. This triple wall chimney features two insulating layers (ceramic blanket, plus air space). The ceramic blanket insulation is held securely in position, eliminating hot spots common with loose fill type insulations. In the event of a creosote fire, the