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 U-T12ME-2S Materials emissions, C4 - C32, cold trap Price on request U-T16GHG-2S Greenhouse gases C2 - C14 cold trap Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request