- Metal Filter remove large particles, small insects & pollens.Pre-Filter efficiency up to 90%, filters particles such as mold & spores.
- HEPA Filter H11 grade efficiency up to 95%, filters such as virus.
- Carbon Activated Filter to absorb formaldehyde, benzene, randon & harmful chemical.
- Negative Ion Filter attach to positively charged particles in the room, such as dust, bacteria, pollen, smoke, and other allergens.