Germguardian AC4020 VS. airpura c600

It’s equipped with a HEPA-Barrier Post Filter that traps micro-particles and airborne chemicals with sizes of 1-micron and greater.

It can clean air in areas of up-to 1575sq.ft. If the area you live in is heavily-polluted then this air-purifier should be used in only room-sizes of up-to 550sq.ft.

It uses a premium-quality activated carbon filter to collect and absorb a variety of odors including; cigarette-odor and other chemical pollutants.

Can clean air in rooms of up to 1575sq.ft and it features a 360° air intake and outflow coupled with a variable speed control.

It uses a HEPA-barrier post filter and MicroSupress filters to trap eliminate any germs around the carbon-bed in-order to provide you with pure air.

It uses an activated carbon and a HEPA-barrier post filter to trap and eliminate dust-mites and other air-pollutants within your home.

It uses a premium-quality activated carbon filter and HEPA-Barrier Post Filter to trap and eliminate pet-dander and other air-pollutants.

It uses a HEPA-Barrier Post Filter to effectively remove airborne particles including pollen and other allergens from your home-environment.

It uses a premium-quality activated carbon filter to collect and absorb a variety of chemical-pollutants including; smoke and other toxic gases.

This unit uses a HEPA-Barrier Post Filter to eliminate airborne-particles including mold-spores from your room-environment.

The integrated MicroSupress filters and HEPA-Barrier Post Filter will help to trap and remove any allergens, bacteria, antigens and pathogens within air.

The medium and low speed-settings produce a low background white-noise and can be set low-enough to make only a whisper. Additionally, the highest speed-setting is also quieter.

It features easy-to-replace filters that will require you to turn it upside down and unscrew the bottom-plate to access the filters.

This unit 40-Watts at the lowest speed-setting and 120-watts at the highest speed-setting coupled with a voltage of 110-to-120 volts.

It features manual-controls which include; 2 fan-speeds (variable speed control) and a power-button. This makes it easy to use compared to other air-purifier brands.

It’s a bit economical because it uses only 40watts on the lowest speed-setting and 120watts on the highest-setting. It also features a universal power-voltage.

It will work perfectly for asthmatic people because it can remove several airborne-particles including; Allergens, bacteria, heavy-chemical and a lot more.

The carbon-filter should be replaced every 2-years and the Micro-Barrier Filter every 12-months. The Pre-filter should be vacuumed every 2-3 months and replaced every 12-months

This unit doesn’t produce ozone-pollutants because it’s free of any materials and chemical that cause off-gassing. It also has a pressure-seal on the filter chamber.

This unit features a 100% metal housing with a circular tower-shape coupled with rolling-wheels at the base for easy mobility.

It features dimensions of: 23"H X 15"W which makes compact. Additionally, it features an all-metal body with controls at the top and wheels at the base.

This unit weighs 49-lbs and the carbon filter alone weighs 26-lbs which makes it heavy for some people to lift.