Tube gas sampling 350, nozzle (GL14), septum Back Catalog number: OST-201-3421 Availability: In the manufacturer's stock Price on request - + Recommended 1233 BALLOONS FOR GAS SAMPLING, 4Liters Price on request U-T8CUS-2S cust packed cold trap, UNITY 2/xr and TD-100/xr Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request