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 RMK-0020 Routine Maintenance Kit: Tube conditioner (TC-20) Price on request 1230 BALLOONS FOR GAS SAMPLING, 1Liter Price on request U-T16GHG-2S Greenhouse gases C2 - C14 cold trap Price on request