DuraVent DuraPlus 6" Flat Ceiling Support Box h35.7 making them a perfect fit

making them a perfect fit for your fire pit

Manhattan Propane version has access door to house a Propane tank

Do the gas heaters require an electrical supply

3-Burner Modulating Millivolt and Remote System

Round glass globe included

DuraVent DuraPlus 6" Flat Ceiling Support Box h35.7 making them a perfect fitDuraPlus 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