Tube gas sampling 350, nozzle (GL14), septum Back Catalog number: OST-201-3421 Availability: In the manufacturer's stock Price on request - + Recommended U-T12ME-2S Materials emissions, C4 - C32, cold trap Price on request T-12AM Focusing trap, Air Monitoring, for TT24-7 Price on request U-T1HBL-2S High boilers, C6 - C40, cold trap Price on request