Tedlar® PVF Sampling Bags PTFE On/Off valve, 0,3L Back Catalog number: HEDTDLC31Z_0.3L Availability: In the manufacturer's stock Price on request - + Recommended U-T5O3F-2S Ozone precursors/Freon cold trap Price on request P-00010 VOC-Mole assembly, 230mm,pk10 Price on request P-CP010 VOC-Mole cap assembly,pk10 Price on request