The Series 400 room air purifier is now available with an ultraviolet light option. The multistage filtration for the air purifiers includes pleated prefilters, a high-efficiency HEPA filter that traps particles in the submicron stage, and a specially designed media cell to control chemical pollution in its environment. Features of the 400 Series air purifiers include heavy-duty wheels to allow for moving the unit from one spot to another; a sturdy diffuser lid; top-loaded filter components; a powder-coated, baked-enamel finish; and double squirrel-cage blower fan.
E.L. Foust Co., Inc., P.O. Box 105, Elmhurst, IL 60126; 800-353-6878 or 630-834-5104; 630-834-5341 (fax); sales@ foustco.com (e-mail); www.foustco.com (website).