New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Back Catalog number: HEDNDV31_50L Availability: In the manufacturer's stock Price on request - + Recommended C-HSPH HiSorb handle, for manual probe extraction Price on request SERZ-1097 Spare tube assembly, ACTI-VOC Price on request U-T7EMP-2S Empty cold trap for UNITY series 2 Price on request