Tube gas sampling 350, nozzle (GL14), septum Back Catalog number: OST-201-3421 Availability: In the manufacturer's stock Price on request - + Recommended U-T15ATA-2S UNITY 2 Cold trap, TO-15/TO-17 Air Toxics C2/3 Price on request C-POD-KIT04 POD Starter kit: Carbograph 2TD Price on request T-12AM Focusing trap, Air Monitoring, for TT24-7 Price on request