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 C-TDKIT-01 Essential TD Starter Kit Price on request P-CP010 VOC-Mole cap assembly,pk10 Price on request P-00030 VOC-Mole assembly, 830mm,pk10 Price on request