Gardner DenverĀ® is a leading manufacturer of an extensive line of positive displacement blower and vacuum pump technologies to match the specific requirements of a wide range of air and gas applications. Each of the five positive displacement technologies available deliver constant air or gas, up to 14,000 cfm (23,800 m3/h) at varying pressure to 36 psig (2.5 bar) or vacuum to 28" Hg (950 mbar). A complete offering of factory packaged solutions, accessories, genuine parts, lubricants and services are available.