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 M-MCTOPI Removable lids for M-CTE120I, inert,pk 6 Price on request SERLFP-5003 Spare back pressure adapter, ACTI-VOC Price on request P-CPS20 Dowty seals, for VOC-Mole cap assembly,pk 20 Price on request