New DEVEX gas sampling bags with PTFE dual-valve, 2L Back Catalog number: NDV32_2L Availability: In the manufacturer's stock Price on request - + Recommended C-HSPH HiSorb handle, for manual probe extraction Price on request C-CL010 Penclips, pk10 Price on request U-T14H2S-2S H2S cold trap, UNITY 2/xr Price on request