TruSens Dupont Air Purifier VS. Bissell air400 Air Purifier

Hepa filter - built with a 360 degree filtration to remove airborne particles from every side of the air purifier.

Auto timer – allows you set the time in which the device can clean and then power off automatically. Has a 2, 4, 8 and 12 hour setting option.

Large coverage of 250 square feet. Thoroughly cleans the rooms within this range.

Carbon pre-filter – removes the entire cigarette odor. Detects cigarette odor and other odors from things like decaying substances and perfume.

Has a room coverage of 250 square feet. With clean air perfectly within this range in a 360 degree angle.

Has ultraviolet sterilization to fight germs. Kills all germs and bacterial that has built up on the filter and also stops re-circulation of live germs.

Eliminates dust mites with the hepa filter. Dust mites are common in carpets and can lead to asthmatic irritation to people with dust allergy.

Quickly removes pet dander. Pet dander is unavoidable in homes with pets like birds, cats and dogs.

Gets rid of all kinds of pollen like tree or grass pollen. Pollen usually enters indoors through open windows and ventilators.

Removes smoke through the 4 levels of filtration. Gathers smoke from fires, cigarettes and cooking plus other gaseous substances indoors.

Removes all kinds of mold. Mold is usually found in wet or damp places and leads to skin irritation and allergy in others.

Gathers and traps all allergens – removes air pollutants like allergen with its 360 degree filtration technology.

Features a quiet speed – provides a silent operation for a peaceful rest.

Washable pre-filter – wash off the particles that is stuck in it to promote durability and efficiency.

After filter replacement indication, take out old filter and replace with new filter. Takes about a minute of less.

Automatically monitors the air indoors. Detects all airborne particles and works to remove them.

Night modes – will dim the LED light on the device as it cleans. Provides uninterrupted sleep time.

Minimum of 28watts and maximum of 68 watts. Consumes less energy at the lowest watts level.

Certified by energy star – power consumption will not be very high even when used 24/7.

Built with a number of controls and modes. Includes UV mode, sleep mode and fan speeds. Control is through touch screen operation – no buttons.

Separate hepa and carbon filter replacement lights – will immediately indicate when filters require change.

Economical - Less power consuming and certified by Energy Star. No longer have to worry about high bills

Comes at a very good price - below $150

Has a dual airflow ideal for asthmatic people. Divides the air into 2 air streams and makes them entirely pure from all airborne particles that cause asthma.

Hepa filter life is 12 to 15 months and Carbon filter takes approximately 4 months. This all depends on level of airborne particles and usage.

Sleek and side handles – fits in the preference of most people. Suitable for most interior decor and won’t require much storage space. Can be easily moved to other rooms.

11 x 10.8 x 21.5 inches

10.58 pounds – light weight air purifier