Alen BreatheSmart 45i VS. LEVOIT LV H133

It is equipped with a TrueHEPA filter that helps to trap eliminate of common air-pollutants which include; dust-mites, pollen, mold, pet-dander and other large particles.

A Timer-option that will help you set the duration you want the air-purifier to operate before shutting off itself.

It is designed to clean-up air in larger-rooms of up to 538-SqFt (50m2) making it perfect device for use in living-rooms, offices and other large-rooms.

The Activated Carbon Filter to captures and removes cigarette smoke and other household odors in less than 15-minutes.

It is designed to provide clean, purified air within larger-room sizes of up to 538-SqFt (50m2) in just 15-minutes using a circular air-flow.

Uses a Fine Preliminary Filter to trap and neutralize airborne germs, bacteria, fungi and other harmful particles within air.

This air-purifier uses a True HEPA Filter to eliminate dust mites. Additionally, the Fine Preliminary Filter helps to neutralize any air-dust to improve air-quality.

This unit uses a Preliminary Filter to capture and neutralize pet-dander and other airborne bacteria so as to keep your house smelling fresh and cleaner.

This air-purifier uses a true HEPA filter to capture and eliminate over 99.97% of pollen and other particles no matter the season of the year.

It uses an Activated Carbon Filter to remove of smoke and other odors from the kitchen and other rooms within your house in just 15-minutes.

This device uses a Fine Preliminary Filter to remove mold, fungi and other airborne particles within your house in-order to provide you with fresh breathable-air.

Uses a pre-filter to capture and neutralize all types of allergens within your house which include; bacteria, pet dander, mold and fungi.

It operates very quietly whereby its noise-levels stay under 54db when running on the highest setting. Additionally, it has a sleep-mode that operates on the lowest-speed-setting.

This device is equipped with a 3-in-1 filtration system that is very easy and quick to install after removing the bottom lid.

It is equipped with a auto-mode function that works along with the built-in dust sensors to monitor the air-quality and automatically adjusts the fan-speeds accordingly.

The integrated sleep-mode enables the air-purifier to operate at the lowest-setting with optimum silence hence making this unit perfect for use when sleeping or relaxing.

It uses 33-Watts of power when operating at the highest-speed-setting and a standby-power of 0.8-Watts.

It features an intuitive, bright-LED display with touchscreen controls that are very easy to use coupled with several operation-modes like; Sleep-mode, Auto-mode and 3 fan-speeds.

This device features an integrated filter change indicator which illuminates a blue-colour when it’s time to change the filters.

This unit is very economical because it uses only 33-Watts when running on the highest setting which makes it very energy efficient yet effective.

Yes - it is priced below $400 - this is quite a good deal for a unit which covers 500Sq.Ft.

This device uses 3 powerful filters to effectively remove 99.97% of dust, pollen, smoke, odor, mold spores, pet-dander, air-pollution and other small particles.

This unit features a 3-in-1 filter system that should be changed every 6-months or depending air-quality within your area.

This device is 100% ozone free and does not use UV or ions which produce trace amounts of measurable ozone.

This unit features a classic cylindrical shape that looks amazing and will make any room look gorgeous.

This unit features dimensions of 25.4 x 15 x 14.5 inches and cylindrical shape that looks simple and elegant.

It weighs only 20-pounds which makes it very easy to carry around your home.