FEP gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDFEP32_2L Availability: In the manufacturer's stock Price on request - + Recommended SERZ-1097 Spare tube assembly, ACTI-VOC Price on request U-COV450 O-Rings, low-emission,pk100 Price on request C-HSPH HiSorb handle, for manual probe extraction Price on request