Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: POL32_2L Availability: In the manufacturer's stock Price on request - + Recommended DEV31_5L DEVEX gas sampling bag, stopcock straight valve, 5L Price on request C-HSPVLP-6 HiSorb Septum Plug, pk 6 Price on request 1235 BALLOONS FOR GAS SAMPLING, 8Liters Price on request