New DEVEX gas sampling bags with PTFE dual-valve, 5L Back Catalog number: NDV32_5L Availability: In the manufacturer's stock Price on request - + Recommended P-CPU10 Unions, for VOC-Mole cap assembly,pk10 Price on request C-TDKIT-01 Essential TD Starter Kit Price on request U-T7EMP-2S Empty cold trap for UNITY series 2 Price on request