Astberg AFV45 450CMH fresh air fan

Astberg AFV45 450CMH fresh air fan

Metal Filter of fresh air fan 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.'