Alert Technology Ltd specialise in safe air. Developers of the ALERT PRO range of real-time warning devices for airborne asbestos fibres, Alert is now helping reduce human exposure to other airborne nasties such as viruses, bacteria, dust, pollen and odours with the UK release of the PureAir professional air purifier. Alert's mission is to reduce ill health and life-threatening diseases by reducing human exposure to airborne contaminates.