Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: HEDTDL31_5L Availability: In the manufacturer's stock Price on request - + Recommended P-00020 VOC-Mole assembly, 380mm,pk10 Price on request M-DSKPF Sample disc, 1.0mm thickness, PTFE,pk 6 Price on request HEDDEV21_0.5L Devex bag with PC valve, 0,5L Price on request