New DEVEX gas sampling bags with PTFE dual-valve, 2L Back Catalog number: HEDNDV32_2L Availability: In the manufacturer's stock Price on request - + Recommended U-T5O3F-2S Ozone precursors/Freon cold trap Price on request P-00010 VOC-Mole assembly, 230mm,pk10 Price on request TDL32_5L Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Price on request