Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: TDL31_5L Availability: In the manufacturer's stock Price on request - + Recommended P-CP010 VOC-Mole cap assembly,pk10 Price on request M-DSKPF Sample disc, 1.0mm thickness, PTFE,pk 6 Price on request SERZ-1076 Spare filter assembly, ACTI-VOC Price on request