PRICE IS FOR LAMP ONLY. A UVC air sanitising system disinfects by ultraviolet irradiation. The UVC system is suited to commercial and large homes where ducted reverse cycle air conditioning systems are installed. Employing high efficiency, high output ‘green’ UV lamps that can last up to two years have unique germicidal properties. Once installed, they destroy microbes on the surface of the air conditioning evaporator coil and airborne microbes that grow, migrate and circulate in air conditioning systems such as allergens, infectious agents and odours” The lamps destroy DNA in cells of viruses, bacteria, mould and fungi before they infect humans. The lamps carry a 12 month warranty.