DESCRIPTION
General Detail of Philips AC4072 Air Purifier:

Coverage area- 592 sq ft
Clean Air Delivery Rate- 309 m3/h
Air Purity Indicator- Yes
Auto Mode- Yes
Sleep Mode- Yes
Fan settings- 5-Speed fan
Power consumption- 47W  
Timer- 1/4/8 hr
 
Filtration Detail of Philips AC4072 Air Purifier:
       
Effective filtration size (micron)- >=0.02 microns
Effective Filtration Efficiency- 99.97%
Pre - Filtration- Yes
Activated Carbon Filtration- Yes
HEPA Filtration- Yes
No. of filters- 2
Filter Change Indicator- Yes
Warranty- 2 Years