Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_5L Availability: In the manufacturer's stock Price on request - + Recommended M-DSKPF Sample disc, 1.0mm thickness, PTFE,pk 6 Price on request HEDTDL31_2L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Price on request U-HSVB-20 Replacement Vial Block, for HiSorb Agitator Price on request