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-HSPH HiSorb handle, for manual probe extraction Price on request 1230 BALLOONS FOR GAS SAMPLING, 1Liter Price on request U-COV07 O-Ring, low-emission, size007, pk 10 (TD autosampl Price on request