Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended T-6EMP Empty cold trap, TT24-7 Price on request SERLFP-5002 Spare charger, ACTI-VOC Price on request P-00030 VOC-Mole assembly, 830mm,pk10 Price on request