Welcome to E. L. Foust Co., Inc.
Since 1974 we have manufactured air purifiers designed for people with multiple chemical sensitivities (MCS), allergies, and asthma. Our air purifiers (including our auto air purifier) utilize proven technology such as large beds of activated carbon, state of the art HEPA filters, and optional UV lights to remove dusts, molds, pollens, allergens, viruses,...