It captures a significant amount of the airborne particles 0.3 microns and larger from the air circulated through it. The F300 is the highest efficiency whole-house air cleaner available from Honeywell. Has one or two cells, depending on cabinet size. Efficiency and arrestance ratings based on the American Society of Heating, Refrigerating and Air Conditioning Engineers Standard 52.2-1999. Solid state power supply is self-regulating and maintains peak efficiency during a wide range of cell dirt loading conditions.
Pressure drop is approximately equal to that of a regular fiberglass filter.
Air Cleaner Monitor indicates air cleaner performance, reminds homeowner when a cell and prefilter wash is due, and when to check the system. Galvanized cabinet protects against rust. Neon light next to on-off switch tells if air cleaner is powered and if high voltage is present. Troubleshooting guide mounted inside cell access door. Permanent wash reminder schedule included for mounting in convenient location.