Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: HEDPOL32_5L Availability: In the manufacturer's stock Price on request - + Recommended T-9GPC General purpose carbon cold trap, TT24-7 Price on request SERZ-1076 Spare filter assembly, ACTI-VOC Price on request HEDFEP32_5L FEP gas sampling bag with PTFE dual-valve, 5L Price on request