Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Back Catalog number: TDL32_2L Availability: In the manufacturer's stock Price on request - + Recommended TDL71_5L Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Price on request U-T6SUL-2S Sulphur/labile cold trap, Price on request SERZ-1070 Spare bag sampling accessory, ACTI-VOC Price on request