Product Features：The material consists of high melt index isotactic polypropylene in a very state of the filter material, and the use of non-toxic anti-aging adhesive which adheres to the propylene skeleton folded processed into ingredients。Because of its ability to permanently charged, and expand it larger, smaller ventilation resistance, can filter out small to 0.1um  the dust, it is widely used.

This series of filters to purify the air in accordance with the three requirements: filtration of dust, odor removal, kill bacteria resulting from the combination of air conditioning and air purifiers with filters.