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 NDV31_25L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 25L Price on request U-HSAG-20 HiSorb Agitator, accommodates 16 vials (20mL) Price on request 1234 BALLOONS FOR GAS SAMPLING, 5Liters Price on request