Pro Aqua review: deceptive 2

Two people came to my door. I was 3 days post-op on some heavy medications and told them I didn't feel well. They told me I could have a small air purifier if I let them do their presentation. The girl was nice and personable but I was under the assumption, by her presentation and comments, that it was an air purifier. She told me you turn it on high for 90 minutes and run it and it will clean the air in your whole home. My husband has COPD and I have allergies and we have young children so I was slightly interested. I specifically kept asking how it was possible that it would clean the air of a 3 story home with a full basement, 4 bedrooms, 2 bathrooms, 3 other rooms and a kitchen in that short amount of time. It was never explained to me how but I was assured it would. The whole part about the vacuum cleaner and other features were presented as secondary. I bought the unit, even though the price was phenomenal. I feel now after a few days that it does not do what she said it would do and that I basically spent 3000 on a vacuum I cant even barely use because of my disabilities. I feel I was taken advantage of while ill and medicated. I don't like the deception used.