FEP gas sampling bag with PTFE dual-valve, 5L Back Catalog number: FEP32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-HSVB-20 Replacement Vial Block, for HiSorb Agitator Price on request TDL31_2L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Price on request NDV61_25L New Devex Sampling Bag with ABS Valve & Septum Fitting, 25L Price on request