Single-effected/double-effected auto air filter:

Single-effected (white color): Particle filtration

Double-effected (mixed color of black & white): Particle Filtration & Polluted air filtration

Static nonwoven filter Element (single-effected) / Activated carbon nonwoven compounded filter Element(double-effected)

Enhanced polypropylene plastic frame

Filter Element and plastic frame are fixed by plastic injection molding directly with compact configuration.

Single-effected filter can eliminate the inhalable particulate matter from outside such as the pollen/particle/microbe, etc effectively to purify the air inside the automobile.

Double-effected filter can eliminate the inhalable particulate matter from outside such as the pollen/particle/microbe, etc, but also can get rid of the smog smell /toluene/sulfur dioxide such harmful gas effectively to purify the air inside the automobile