E. L. Foust Co., Inc.
Research And Reliability In Air Purification Since 1974

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Main Category : Air Purifier Replacement Parts / Series 400
Series 400 UV Replacement Bulb - Item# 400-UVLM
Price: $109.00
Ultraviolet Light Bulb for the Series 400 air purifier by E. L, Foust Co., produces no ozone. It produces ultraviolet light at the specific wavelength of 254nm (nanometers), which is most effective for neutralizing airborne micro-organisms. Recommended to be replaced annually if used 24/7. The bulb may still light up after the specified time, but the wavelength changes and it becomes less effective.
Series 400 HEPA Filter - Item# 400-2270
Price: $112.50
HEPA Filter for your Series 400 Unit. Rated @ 95% efficiency for removal of particulates down to 0.3 microns. Normal HEPA life expectancy is 2-3 years, provided pre-filters are changed on a regular basis. 
Improved air flow with this product as we have added more pleats to increase flow by 10-15%. 
Series 400 Pleated Pre-Filter - Item# 400-2255
Price: $13.00
Series 400 Pleated Pre-Filter protects the motor and the HEPA filter. It should be replaced every 2-3 months. Discounted with the purchase of 3 or more.
Series 400 Media Tray - Item# 400-22__
Price: $73.00
E.L. Foust trays are filled with your choice of carbon and are to be changed around every six-nine months. If you wish to order a special media, please list what kind in the comment area when you check out.
They are filled with granulated carbon from 6-9 pounds, depending on media choice. The 8 lb.STD mix carbon is the longest lasting and removes the widest variety of chemicals, fumes, odors, & gases.

We are always happy to take the time to help you with your specific air or water problem. Please contact us by phone, fax, e-mail or snail mail and we will be happy to assist you. If you purchase any products and need to return them for any reason, you must call first for authorization. Any returns may be subjected to re-stocking fees, based on the product and condition of it upon return. Water filter systems cannot be returned if it appears that the system has been installed or is missing parts.

Click here for a map of our location.
Hours of operation when you can call or visit us:
9:00 AM -4:30 PM central time USA, Monday-Friday.
Closed Saturdays and Sundays.

E. L. Foust Co., Inc.
Phone: 800.353.6878 (US & Canada), 630.834.4952 (outside US & Canada)
Fax: 630.834.5341
754 N. Industrial Dr. Elmhurst, IL 60126

E-mail: sales@foustco.com