Also Consider:
 

1. Pre-Filter captures larger particles, increasing efficiency of the HEPA filter.
2. HEPA Filter traps 99% of dust & allergens. Recommended by Dept. of Homeland Security & the Centers of Disease Control.
3. Air-Purifying Ionizer removes a variety of pollutants. Proven by gov't studies to be effective & to enhance performance of filters.

3 Proven Air-Cleaning Technologies

Powerful Fan (85 cfm) to maximize air exchanges, increasing air-purifying capacity.

No Replacement Costs Required.
The Washable HEPA filter does not require replacement.