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-TO15-KXR Focusing trap, Trace TO-15, for UNITY-xr with Kori-xr Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request U-T12ME-2S Materials emissions, C4 - C32, cold trap Price on request