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-DSK15-120 Spacer disc, alum, 1.5mm, for M-CTE120I,pk 24 Price on request C-HSPVLP-6 HiSorb Septum Plug, pk 6 Price on request U-T10CW-2S Chemical Warfare agents cold trap Price on request