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-T12ME-2S Materials emissions, C4 - C32, cold trap Price on request HEDTDL31_5L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Price on request TDL71_0.3L Tedlar PVF Gas Sampling Bag with PP valve, 0,3L Price on request