Description
DuraVent 7" Inner Diameter Type B Gas Vent 7" to 8" Increaser d49 Medium Crescent Log Rack 1200W WM6 NG DMI G9T F5P NB Medium Crescent Log Rack UL 641 Clearance Minimum 3" clearance to combustibles Diameter 3" to 6 Use with natural gas or liquid propane Category I and draft hood equipped appliances galvanized