1. Replacement filter specially designed for Philips air purifiers AC2729, AC1215, and AC2721. 2. Effectively intercepts 99.95% of pollutants, including PM2.5, pollen, pet dander, bacteria, and other allergens/irritants, reducing asthma triggers and allergic reactions. 3. High-density activated carbon layer strongly adsorbs formaldehyde, TVOC, and odors (smoke/cooking fumes), while catalytically decomposing harmful gas molecules for thorough purification. 4. Recommended replacement cycle: 12 months (depending on air quality conditions). 5. Easy to install and replace, saving maintenance time.
