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-TO17KIT TO-17 Starter Kit Price on request P-00040 VOC-Mole assembly, 830mm,pk10 Price on request M-MCHOR250 O-Ring, micro-chamber pan seal,pk 4 Price on request