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-CHCT-250 Calibration tool for M-CTE250I, pk 4 Price on request HEDFEP32_5L FEP gas sampling bag with PTFE dual-valve, 5L Price on request U-T14H2S-2S H2S cold trap, UNITY 2/xr Price on request