The VacuMaid® BL52 features durable steel construction, and is powered by a powerful 7.2" Ametek Lamb Premier Tangential By-Pass Motor. This sealed bag unit incorporates a HEPA disposable cloth like bag for superior filtration. The bag has an inner liner that adds longer life, and offers more strength and resistance to bursting. This liner also serves as an electrostatic barrier. Disposable bags are inexpensive and can easily be changed, making vacuum maintenance easy. Central Vacuum Power Unit Specifications • 7.2” Premier Tangential By-Pass Motor • Multi-layer disposable HEPA-style bag • 27 Qt. Dirt Capacity • DB Rating w/ Vented Exhaust: 70 • Dimensions Power Unit Diameter: 12-7/8 in. Height: 26 in. • Up to total Sq. Ft. : 10,000 Motor Specs Voltage…………………………………….120 Max Amps………………………………15.8 Max Airwatts…………………………..631 Airflow…………………………………….121 CFM Sealed Vacuum………………………..142 “H20