Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Back Catalog number: TDL32_5L Availability: In the manufacturer's stock Price on request - + Recommended FEP32_2L FEP gas sampling bag with PTFE dual-valve, 2L Price on request 1231 BALLOONS FOR GAS SAMPLING, 1,5Liters Price on request U-T18325-2S EPA 325 cold trap, UNITY 2/xr and TD-100/xr Price on request