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 NDV32_5L New DEVEX gas sampling bags with PTFE dual-valve, 5L Price on request M-DSKPF Sample disc, 1.0mm thickness, PTFE,pk 6 Price on request T-7CUS cust packed cold trap, TT24-7 Price on request