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 C-TDKIT-02 Essential Automated TD Starter Kit Price on request U-T12ME-2S Materials emissions, C4 - C32, cold trap Price on request