Abstract: A device adapted for attachment to a thermal processing furnace, the device includes a housing having first and second openings with a chamber located therebetween, the second opening is operatively connected to a thermal processing furnace and in communication with the thermal processing furnace for receiving a thermal process generating gas stream containing combustibles from the thermal processing furnace, a gas supply assembly located within the chamber for supplying a heated oxygen-containing gas at a temperature and velocity sufficient to mix the combustibles and the oxygen-containing gas to oxidize the combustibles into harmless byproducts.