Tube gas sampling 350, nozzle (GL14), septum Back Catalog number: OST-201-3421 Availability: In the manufacturer's stock Price on request - + Recommended M-SPGSC-250 Adjustable sprung spacer, for M-CTE250I,pk 4 Price on request U-T4WMT-2S Water Management, ethane - C20, cold trap Price on request U-T3ATX-2S Air Toxics, C2 - C14 (TO-14), cold trap Price on request