Filter Fresh substantially reduces the amount of air-born allergens, bacteria, and viruses when used in the filtration systems of buildings, elevators, health facilities, hotels, and public transportation vehicles. The product comes in a variety of different packages specifically designed for particular applications, including public filtration systems, garbage cans, and diaper pails. Filter Fresh is one of the first products recognized by the Health Ministry in Guangdong Province, China, for use in the prevention of SARS.