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 H1-AXAAC HiSorb probe, inert, standard, pk/6 Price on request HEDPOL32_5L Polyester gas sampling bag with PTFE dual-valve, 5L Price on request U-T14H2S-2S H2S cold trap, UNITY 2/xr Price on request