Tedlar gas sample bags with one PTFE valve Size 6mm Tedlar PVF gassampling bags are suitable for concentration analysits of PPM and PPB ranks,and they are widely used in analysis and detection in automobile VOC detection,petroleum and environment industries.They can store carbon monoxide(CO),sulfur dioxide(SO2),Hydorgen sulfide(H2S),benzene and radon mercaptan,hydrocarbon and chlorinated solvent etc. Read more…