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 H2-AXAAC HiSorb probe, PDMS/CWR, inert, standard length, pk 6 Price on request DEV41_5L DEVEX sampling bags 5L, stopcock & septum Price on request M-SPFSC-250 SPF Sample Cutter and Mat, for high temp Micro-chamber Price on request