Packages are available in sizes up to 7,000 CFM, and external static pressures up to 2" W.G. Units have large doors on both sides to provide ample access to all internal components. Standard features include vibration isolation, high efficiency motors, and adjustable drive sheaves (belt drive units only). Units consist of a galvanized enclosure with a blower and motor. Belt drive units also include pulleys and belt(s). The blower module has a standard horizontal inlet with 2" filters in fan inlet.