Multi-layer gas sampling bags, PP valve (4.76mm), 1L Back Catalog number: MBT71_1L Availability: In the manufacturer's stock Price on request - + Recommended C-HSPVLP-6 HiSorb Septum Plug, pk 6 Price on request FEP32_5L FEP gas sampling bag with PTFE dual-valve, 5L Price on request U-COV201 O-ring, Injector HiSorb & HiSorb Storage, pk 10 Price on request