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 1233 BALLOONS FOR GAS SAMPLING, 4Liters Price on request 1230 BALLOONS FOR GAS SAMPLING, 1Liter Price on request HEDTDLC-S Repalcement septum for Tedlar bag TDLC31Z Price on request