Devex Gas sampling bags 5L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: HEDDEV71_5L Availability: In the manufacturer's stock Price on request - + Recommended H3-AXABC HiSorb probe, PDMS/DVB, inert, short version, pk 6 Price on request U-T4WMT-2S Water Management, ethane - C20, cold trap Price on request M-TICAP Tube interface cap for removable lid,pk 6 Price on request