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 U-TO15-KXR Focusing trap, Trace TO-15, for UNITY-xr with Kori-xr Price on request POL32_2L Polyester gas sampling bag with PTFE dual-valve, 2L Price on request U-T1HBL-2S High boilers, C6 - C40, cold trap Price on request