Description HEPA Filtration system Filtration system for cleaning and filtering the air in homes and commercial applications 3-stage filtration: pre-filter with carbon, HEPA filter Captures 99.97% of particles 0.3 microns and larger Variable speed operation (200 or 300 cfm) No adverse effect on your forced-air system Fully insulated cabinet Recommended for homes up to 3000 sq. ft. Duct-mounted. High-Efficiency Filtration Capture particles as small as 0.3 microns at 99.97% efficiency rate. This includes household allergens like dust mites, pollen, bacteria, mold spores as well as combustion smoke, and milled flour. No Restriction to HVAC System While installed onto the return duct plenum, the HERO® HS300 does not restrict the HVAC system’s airflow thanks to a built-in fan and bypass technology. Up to 300 cfm of air is drawn from the return air duct, filtered, and returned upstream.
