Philips Air Purifier AC1711/90 (MRM) delivers powerful purification with NanoProtect HEPA technology, removing 99.97% of airborne particles including dust, pollen, and bacteria. Equipped with AeraSense smart sensors and Auto Mode, it continuously monitors and adjusts air quality for optimal performance. Its sleek cylindrical design, quiet operation, and energy efficiency make it perfect for modern homes and offices. Experience cleaner, fresher air every day with Philips innovation.