DEVEX gas sampling bag, stopcock straight valve, 5L Back Catalog number: DEV31_5L Availability: In the manufacturer's stock Price on request - + Recommended 1230 BALLOONS FOR GAS SAMPLING, 1Liter Price on request U-COV108-L O-ring, Injector Liner, Brown, Low Temp, pk 10 Price on request U-COV201 O-ring, Injector HiSorb & HiSorb Storage, pk 10 Price on request