Philips Smart Air Purifier AC1711 – Purifies rooms up to 36 m² – Removes 99.97% of Pollen, Allergies, Dust and Smoke, HEPA Filter, Ultra-quiet and Low energy consumption, Ideal for Bedrooms.

From the manufacturer

*Philips – India’s No. 1 Air Purifier Brand
IDEAL FOR BEDROOMS: Large coverage of up to 36 m²(380 sqft), it purifies a standard room in just 10 minutes with a CADR of300 m³/h (Standard room size is 18 ft by 12 ft with an 8 ft ceiling height)
3-LAYER HEPA FILTRATION: Captures 99.97% of particles up to 0.003 microns – to protect from pollen, dust, dust mites, pet dander, smog or gases. The Philips NanoProtect HEPA filter can clean up to 2x more air than traditional HEPA H13 filtration
QUIET AND EFFICIENT. In sleep mode, it runs at only 15 dB. Energy-efficient, it uses up to 27W to purify the air, less than a traditional light bulb.
1000x SCANS/SECOND : Using Aerasense technology, the purifier scans the air 1000x per second and intelligently chooses the right speed while displaying air quality readings in real time
LONG LASTING FILTER WITH SMART CHANGE INDICATOR: The filter lasts up to 1 year, so you can save money in the long term vs. other air purifiers. – compatible with FY1700.​