Majestic HEAT-ZONE-GAS Heat-Zone Kit with Fan, 20' Of 6" Round Duct, Vent and On/Off Control

Draw heat from the fireplace into another room of the home, up to 20 feet away. When a heat zone kit is run continuously, it can redirect up to 25% of the heat produced to another area.  Two heat zone kits can be run together to redirect up to 50% of the total heat output.