Lamiflow Technologies produces UL-approved airflow indicators that are maintenance free and do not require any scheduled service or calibration (guaranteed zero calibration for life). A simple install will provide a visual airflow indication that any staff member can easily use and understand. The company’s graduated meter is very sensitive and will instantly react to any airflow changes. Products have an operational range from 10fpm to over 400fpm to suit many applications and are backed with a lifetime warranty against any manufacturer defects. Lamiflow units are installed in more than 1,900 hospitals with the technology being well proven and accepted.