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-SPC15-120 Collar spacer, alum 15mm, for M-CTE120I,pk 6 Price on request T-9GPC General purpose carbon cold trap, TT24-7 Price on request HEDDEV41_5L DEVEX sampling bags 5L, stopcock & septum Price on request