Electrolux ZCV900 Bagless or Bagged Central VacuumThe Electrolux Oxygen ZCV900 is Electrolux's entry level Central Vacuum Unit. Unlike Other Residential Central Vacuums this Electrolux Oxygen ZCV900 can operate as a Bagless central vacuum unit or a Bagged central vacuum unit. The Electrolux ZCV900 also has 2-stage HEPA filtration. you get nothing but the best air quality with 99.97% of particles filtered from the air.Specifications Water Lift Suction 110 Square Foot Rating 4,500 sq. ft. Air Watts 550 CFM Airflow 120 Max Amps 12.5 Metal/Plastic Plastic Display LED Dimensions 14 diameter x 40.5 height Power AC 120V Dust Capacity 8 gal. Filtration Self-cleaning HEPA Made with Recyclable Plastics No Warranty 5 Years