Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Back Catalog number: TDL32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-COV100 O-Ring, low-emission, size 010, pk/100 Price on request HEDNDV31_25L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 25L Price on request H3-AXABC HiSorb probe, PDMS/DVB, inert, short version, pk 6 Price on request