The Philips AC3256/20 Air Purifier comes with the Vitashield IPS with aerodynamics design and extra thick NanoProtect S3 Filter boost clean air delivery that can be applied to up to 76 sq.m. room. This air purifier comes with a specially designed Allergen Mode to keep out common airborne allergen. The Healthy air protect alert lets you know promptly when it is time to replace the filter. So you can replace the filter and enjoy a cleaner supply of air again. This air Purifier comes with a Sensor touch UI which makes it easy to operate the purifier to your liking. The big numerical display notifies about the different features of the air quality around you. It comes with a big handle which makes it easy to carry to other rooms across the house.