Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: POL32_5L Availability: In the manufacturer's stock Price on request - + Recommended C-HSPVLP-20 HiSorb septum plug, pk 20 Price on request U-T13DHS-2S DHS application cold trap, UNITY 2/xr andTD-100/xr Price on request T-6EMP Empty cold trap, TT24-7 Price on request