Tube gas sampling 350, nozzle (GL14), septum Back Catalog number: OST-201-3421 Availability: In the manufacturer's stock Price on request - + Recommended M-TSTIN Inserts, PTFE,pk 6 Price on request M-MCAL50 Disposable dish, alum, 50mL,pk100 Price on request U-T8CUS-2S cust packed cold trap, UNITY 2/xr and TD-100/xr Price on request