DEVEX sampling bags with PTFE straight and septum valve with OD 6mm, 5L Back Catalog number: HEDNDV31_5L Availability: In the manufacturer's stock Price on request - + Recommended 1232 BALLOONS FOR GAS SAMPLING, 2Liters Price on request HEDFEP32_2L FEP gas sampling bag with PTFE dual-valve, 2L Price on request U-COV108-L O-ring, Injector Liner, Brown, Low Temp, pk 10 Price on request