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 M-CHCT-250 Calibration tool for M-CTE250I, pk 4 Price on request M-MCAL50 Disposable dish, alum, 50mL,pk100 Price on request OST-201-3421 Tube gas sampling 350, nozzle (GL14), septum Price on request