Filter-life indicatorIndicates when to change or clean the filters.
Remote controlIncludes a remote control to operate the air purifier.
Auto fan speed
Auto fan speedOn Auto mode, a built-in dirt sensor or other inputs will allow the fan to run on a higher fan speed when the air is determined to be dirty and on a lower speed when clean.
Product typeThe cleaning technology used by the Air Purifier.
WeightWeight of the Air Purifier to the nearest pound.
Energy starModels that have the Energy Star rating will use less energy than comparable products.
Number of fan speeds
Number of fan speedsFan speeds available to the user.