Yuzhimu nonwoven fabrics meet precise specifications and stringent regulatory requirements for air filtration and liquid filtration with great precision.They are ideal for applications requiring extremely high levels of filtration and their benefits include: It is manufactured from high-performance non-woven fabric using hot melt process, and is non-toxic and non-hazardous.Safer and more environmentally friendly than the glass fiber cartridges used in normal air filters. Hot air bonded, highly breathable, stiff, easy to fold.