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 MBT71_1L Multi-layer gas sampling bags, PP valve (4.76mm), 1L Price on request U-T6SUL-2S Sulphur/labile cold trap, Price on request U-T1HBL-2S High boilers, C6 - C40, cold trap Price on request