Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_5L Availability: In the manufacturer's stock Price on request - + Recommended P-CPU10 Unions, for VOC-Mole cap assembly,pk10 Price on request SERLFP-5003 Spare back pressure adapter, ACTI-VOC Price on request M-CHCT-250 Calibration tool for M-CTE250I, pk 4 Price on request