The Nederman 861 Series Metal Exhaust Extraction Nozzle is constructed of 11 guage metal for use where high temperatures are encountered. The Metal Exhaust Extraction Nozzle has a 3” exhaust diameter opening. It is equipped with a spring loaded shutoff flap which will seal off intake into the nozzle when not in use. The Metal Exhaust Extraction Nozzle is used on single tail pipes, not to exceed 3” in diameter. The Metal Exhaust Extraction Nozzle is zinc coated to prevent corrosion and includes a probe port for exhaust analysis while the nozzle is attached to the tail pipe.