Tedlar PVF Gas Sampling Bag with PP valve, 0,5L Back Catalog number: TDL71_0.5L Availability: In the manufacturer's stock Price on request - + Recommended C-VAC-PIN Vacuum closure Pin Price on request M-TSTIN Inserts, PTFE,pk 6 Price on request P-00040 VOC-Mole assembly, 830mm,pk10 Price on request