This is the second Ionic Pro Turbo that I have purchased. Of course it was cheaper here. I only wish I thought to look here before I purchased the first one. I have 2 Ionic Turbos and 2 Pros. The Pros are worth the slightly higher price. They are easier to clean and clean a larger room. I love that there are no filters to replace and no motors to die. I have had other purifiers in the past and they just didn't last. I've have my Turbos for about 3yrs and they work as good as the day I got them (no filters to buy/replace, just clean the collection blades). If you have a dusty house or smoke go for a bigger unit, but stick with Ionic. Their blade system is awesome and will save you in not having to buy replacement filters.