Our 400 series purifier is durable and great looking. All steel construction. No plastic. Built to last years. The UV option is available as well to help fight viruses.  The 400 series air purifier will last years and likely decades.  It is built with a steel commercial air blower and uses commercial grade HEPA filters with steel frames.  No plastic that cracks, discolors, breaks or smells.

E.L. Foust Series 400 Air Purifier is the largest of our free standing air purifiers. Rated for about 1000 square feet, it uses a large carbon media tray to remove chemicals, fumes, & odors, and a safe HEPA filter to trap particles down to .3 microns in size. The optional Ultraviolet light that will kill virus & bacteria. Units are used & recommended by allergists & environmental doctors, nationwide & internationally for their patients that suffer from allergy, asthma, and chemical sensitivity. Used in offices, schools, homes, and any place indoor air quality is a problem. All new units come equipped with your first HEPA which can last up to 3 years & one pleated Pre-filter(2-3 months), and carbon media tray (6-9 months), and optional UV bulb(one year); if so ordered.

Our largest room air purifier will reduce chemicals, fumes, odors, allergens, molds, ozone, formaldehyde, cigarette smoke, and many other contaminants.

Independent testing has shown these purifiers will remove VOCs ,chemicals, odors, fumes, smoke, bacteria,

pollen, allergens, formaldehyde, ozone and many other modern pollutants. Test results and performance data are based on STD mix carbon used in the carbon media tray.

Run the Series 400 air purifier based on your needs.  If you are near a pollution source, you can run it 24 hours a day.  Or run it until you need it quiet for the television or conversation.  The large HEPA will last years and it will bring the PM2.5 levels in your home, office or shop down to zero.  The media tray, filled with the carbon of your choice based on your needs, will remove the targeted fume or VOC and it will last 6 to 9 months based on how much it is removing from your environment.

High quality, 2 speed squirrel cage motor/blower, assures you of getting the cleanest air possible with the minimum of noise!

Decibel rating on HIGH, 43 @ 3 feet, LO is 39 @ 3 feet.

Dimensions: 32" tall x 13.5" x 13.5".  

Shipping Weight: 60 pounds for 400 air purifier without filters, 15 pounds for filters

Shipping size: 400 Air Purifier - 39"x18"x18", Filters - 18"x12"x12"

Air Flow: High Setting: 380 CFM, Low Setting: 285 CFM

Power: 120 VAC, 2.0 Amps high setting (240 W), 1.2 Amps low setting (144 W)

Optional UV Bulb: 14 Watts @ 120 Volts, Wavelength 254 Nanometers