FEP gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDFEP32_2L Availability: In the manufacturer's stock Price on request - + Recommended HEDNDV31_50L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Price on request P-00040 VOC-Mole assembly, 830mm,pk10 Price on request HEDTDLC31Z_1.6L Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Price on request