DESC: The Electrolux EL7000A Oxygen3 Canister Vacuum is the only vacuum that combines microfresh air technology with superior cleaning, leading to a cleaner home with cleaner air. The Electrolux Oxygen3 is designed for maximum pickup, complicated by the microfresh air system, which captures ultra-fine particles that pollute your air - so you can feel confident that you are getting a thorough clean. And a Optimum sensors give you the reassurance that your vacuum is working properly.