Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Back Catalog number: TDL32_5L Availability: In the manufacturer's stock Price on request - + Recommended 1234 BALLOONS FOR GAS SAMPLING, 5Liters Price on request C-KIT325T-2S 325 Tube Kit Price on request P-CPS20 Dowty seals, for VOC-Mole cap assembly,pk 20 Price on request