Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Back Catalog number: TDL32_2L Availability: In the manufacturer's stock Price on request - + Recommended U-HSVB-20 Replacement Vial Block, for HiSorb Agitator Price on request HEDDEV41_5L DEVEX sampling bags 5L, stopcock & septum Price on request M-DSKPF Sample disc, 1.0mm thickness, PTFE,pk 6 Price on request