Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: HEDTDL31_5L Availability: In the manufacturer's stock Price on request - + Recommended H2-AXAAC HiSorb probe, PDMS/CWR, inert, standard length, pk 6 Price on request M-DSK15-250 Spacer disc, alum, 1.5mm, for M-CTE250I,pk 24 Price on request M-DSKPF Sample disc, 1.0mm thickness, PTFE,pk 6 Price on request