Cana Vac 211-BB Central Vacuum System The Cana Vac Central Vacuum Unit 221-BB is Cana-Vacs Builder Grade central vacuum unit. The 221-BB cleans homes up to 3,000 SQ Ft. With the left or right side installation on the 221-BB this Unit can replace any pre-existing central vacuum unit in any home. Features Left or Right Side Installation Bag or Bagless Technology Genuine Ametek Motor 10 Year Electrical Warranty Lifetime Body & Filter Warranty Maintenance Free Filtration All Cana-Vac Central Vacuums can be vented outside the home Specifications Suction:114 Airwatts: 540 Airflow CFM:117 Dirt Capacity: 5 gal Dimensions: 12 x 39 Sound Level: 75db