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 U-COV108-H O-ring, Injector Liner, Black, High Temp, pk/1 Price on request T-6EMP Empty cold trap, TT24-7 Price on request M-MCAL50 Disposable dish, alum, 50mL,pk100 Price on request