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-COV100 O-Ring, low-emission, size 010, pk/100 Price on request H2-AXAAC HiSorb probe, PDMS/CWR, inert, standard length, pk 6 Price on request U-T14H2S-2S H2S cold trap, UNITY 2/xr Price on request