Product Features
The material is made from waterproof fire-retardant glass fiber or high efficiency PP paper.
Special hot adhesive divider to ensure the best air. 
The material and frame is sealed by special glue, to prevent side leakage and damage effectively.
Scanning test by laser one by one, temperature 80 ° C, low resistance, high efficiency, long life.
Light weight, small size, convenient installation.

Usage
The end filtering  of the air-conditioning filtration system, trapping particles of 0.3μm above.
Applies to hospitals, electronics, food, precision machinery, semiconductor, clean room fields.
Performance parameters

We, Hengfeng Evergreen Technology Co.,Ltd, are an experienced long history air filter and purifier manufacturer. We constructed our own production plant with full facilities and workers based in mainland China.We are specialized in various of air filters. Our main products include the initial, medium & high efficiency air filter, dust filter, dust bag,gas/liquid filter and whole set of clean equipment which are widely used in automobile, electron, medical,energy, food, building, chemical, tobacco, cement, iron and steel industries.We sincerely hope to work with you together in near future. If you are interested in, pls feel free to contacgt Joannasong82@gmail.com . or more info., please browse our website www.cdkrx.com 

Central air-conditioning filter is used for ventilation equipment of hospital, medical plant, electricity factory.