Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Back Catalog number: TDL32_2L Availability: In the manufacturer's stock Price on request - + Recommended U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request P-00010 VOC-Mole assembly, 230mm,pk10 Price on request HEDDEV41_5L DEVEX sampling bags 5L, stopcock & septum Price on request