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-T2GPH-2S UNITY 2 & TD-100 Cold trap general purpose hydrop Price on request P-00020 VOC-Mole assembly, 380mm,pk10 Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request