Tube gas sampling 350, nozzle (GL14), septum Back Catalog number: OST-201-3421 Availability: In the manufacturer's stock Price on request - + Recommended 1970-0011-R O-RING -011 .301 ID X .070 W Each Price on request 1232 BALLOONS FOR GAS SAMPLING, 2Liters Price on request C-POD-KIT01-5TD POD Starter Kit: Carbograph 5TD Price on request