HEPA - For Air Purifier - Remove Airborne Particles, Remove Mold Spores, Remove Smoke, Remove Pollen, Remove Dust Mite, Remove Allergens - 100% Particle Removal Efficiency - 0.01 mil (0 mm) Particles - 13.38" (339.85 mm) Height x 10.31" (261.87 mm) Width x 1.19" (30.23 mm) Depth - 1