Spare solid glass stopcock key, NS 14,5, 2pc/pk Back Catalog number: OST-227-3141 Availability: In the manufacturer's stock Price on request - + Recommended H4-AXAAC HiSorb probe, DVB/CWR/PDMS, inert, standard length, pk 6 Price on request 1234 BALLOONS FOR GAS SAMPLING, 5Liters Price on request 1232 BALLOONS FOR GAS SAMPLING, 2Liters Price on request