The H603-M is the final stage square replacement HEPA filter for Abatement Technologies, Inc.’s (Old) CAP600 (fits S/N's 0 - 5,000 & 60,000 – 61,000, manufactured before 06/02/98) Central Air Purification system.

HEPA or high efficiency particulate arresting filters capture 99.97% of airborne contaminants as small as 0.3 microns in size. The H603-M removes bacteria, mold spores, soot, pollens, animal hair, animal dander, dust mites, smoke particles and other allergens and lung damaging particles.

The manufacturer recommends you change the final filter every 2 to 3 years under normal operating conditions.