The Sanitaire SC535A is a comfortable and quiet backpack vacuum. It comes with HEPA Filtration. A 11.5 amp/1380 watt motor provides 1380 air watts and 120 CFM airflow. It is lightweight for a commercial backpack at 11.5 lbs. The Load Dispersion Ergonomic Harness gives less user fatigue. The 50 foot power cord is detachable and easy to replace. The SC535A has a 10 dry quart dust capacity. It comes with attachments for cleaning carpets, bare floors, and above-the-floor cleaning. The SC535A is LEED and CRI Green Certified for indoor air quality and UL listed for commercial use. The Sanitaire SC535A is covered by a 2 year parts and labor warranty from Sanitaire.