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-T13DHS-2S DHS application cold trap, UNITY 2/xr andTD-100/xr Price on request U-T5O3F-2S Ozone precursors/Freon cold trap Price on request U-TO15-KXR Focusing trap, Trace TO-15, for UNITY-xr with Kori-xr Price on request