In the last several years, a growing body of scientific evidence has indicated that the air within our homes and places of work is more seriously polluted than the outdoor air even in the most industrialised cities Some of the main causes are; Poorly maintained air con & ventilation systems Tobacco smoke Dust circulation via central heating & convectors Use of toxic aerosols, cleaning agents, solvents and paint Pollen and mould spores Hair & skin flakes Since we spend 90% of our time indoors, the risk to our health due to exposure to indoor air pollutants may be considerable. If you would like to know more about how to improve the air quality in your home or workplace please Contact Us or go to our product information section.