This Black and Decker portable air purifier (28.66 lbs.). Removes 99.98% of harmful contaminants as small as 0.30 microns through an impressive 8-stage filtration process. With various speeds to choose from such as: auto， low， medium， high， maximum and sleep mode， you can also select an anion function that protects your surroundings by binding negative ions to dust and allergens. This incredible UV air purifier (18.2 in. x 10.55 in. x 21.96 in.) has an average CADR (Clear Air Delivery Rate) of 337 CFM， along with a 329 for dust， 371 for pollen， and a rating of 312 for secondhand smoke. We think this is one of the best home air purifiers because it also comes equipped with UV technology that activates ultraviolet light to kill mold spores and other bacteria. Volatile Organic Compounds (VOC) screen. It comes with an air quality indicator (PM2.5)， a touch panel， a remote control， a child lock， a power cord length of 6 ft.， and auto power off.

8-stage filtration system pre-filter: filters larger particles such as dust and pet hairTrue HEPA H13 filter: removes airborne micro particles such as allergens， bacteria， dust mites， pollen， and pet dander， eliminates 99.9% of pollutants as small as 0.30 microns，Activated carbon filter removes household odors such as cooking smells， secondhand smoke.photo catalyst filter: removes airborne， bacteria， spores and mold

Filters up to a 484 sq. ft. room， 5x per hour

Average CADR (clean air delivery rate): 337 CFM; dust: 329 CFM; pollen: 371 CFM; Smoke: 312 CFM

Touch panel with digital display

Auto， low， medium， high， max and sleep mode

Shut off time: 1， 2， 4 and 8 hours selections

Child lock

Filter replacement indicator light

Anion function emits negative ions attaching to the dust and allergens allowing them to easily attach to the charged HEPA filter

UV technology may aid in the reduction of mold， mildew and some bacteria

Volatile Organic Compounds (VOC) display

Air quality indicator (PM2.5)

Temperature and humidity display

Auto shut off

Remote control