FEP gas sampling bag with PTFE dual-valve, 5L Back Catalog number: HEDFEP32_5L Availability: In the manufacturer's stock Price on request - + Recommended T-4ATX Air toxics cold trap, TT24-7 Price on request HEDNDV32_2L New DEVEX gas sampling bags with PTFE dual-valve, 2L Price on request HEDNDV61_25L New Devex Sampling Bag with ABS Valve & Septum Fitting, 25L Price on request