It is synthetic fiber filter material with higher density and higher grade. It is economical and practical with low initial resistance, high dust holding capacity, flexible, safe and environmentally friendly and easy to use. This series of products are mainly used for pre-filtration of purification system, which is the most common used in air purification filtration. It is mainly used to filter dust and suspended matter of ≥5μm particles in the atmosphere.
It is suitable for places where the filter needs to be cleaned frequently, and the air filtration system is pre-filtered. The main components are: PET (polyester fiber) and PP (polypropylene fiber), the usual production process is generally hot air method and needle punching method.