Improving air quality. ebm-papst develops fans that help deliver clean air in commercial and industrial air-conditioning and ventilation systems. Our high efficiency EC solutions optimize airflow and help maintain high air quality, all while keeping operating costs at a minimum. Whether in new construction or retrofits, these fans will help you breathe easier. Contact us for more info: sales@us.ebmpapst.com RadiPac centrifugal fans are available for high pressures up to 10 in. wg. Scan here: