DEVEX gas sampling bag, stopcock straight valve, 5L Back Catalog number: HEDDEV31_5L Availability: In the manufacturer's stock Price on request - + Recommended T-11OP Ozone precursors trap, TT24-7 Price on request U-T4WMT-2S Water Management, ethane - C20, cold trap Price on request P-CP001 VOC-Mole cap assembly,pk 1 Price on request