US Stove HR-6/MH6 Heat Reclaimer, 6 in Dia Pipe, Steel, Matte, Black

Attaches to stove pipe and reclaims heat normally lost up the flue. Whisper quiet, safety tested UL fan motor gently blows warm air into the room. Thermostatically controlled, turns on at 160 deg Fahrenheit, off at 130 deg F. Decorative nickel trim.