Step 1: HEPA Filter
It effectively filters more than 70 kinds of harmful substances in the air, including the airborne bacterium, virus, fungal spore, pollen, asbestos, radon decay product, etc. HEPA Filter’s super efficiency is proportional to the surface area.
Step 2: Cold catalyst
Step3: Activated carbon filter
Step 4: Efficient negative ion, efficient sterilization,
Home Air Purifier