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 HEDNDV32_2L New DEVEX gas sampling bags with PTFE dual-valve, 2L Price on request U-COV108-L O-ring, Injector Liner, Brown, Low Temp, pk 10 Price on request U-T15ATA-2S UNITY 2 Cold trap, TO-15/TO-17 Air Toxics C2/3 Price on request