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-HSINS10-4 Vial block insert, 20mL to 10mL, pk 4 Price on request U-COV1516 Spare O-ring, black, for POD sampler (support body), pk 10 Price on request U-T6SUL-2S Sulphur/labile cold trap, Price on request