You will really appreciate the design and features offered by Boneco's first air purifier. The P500 features handsome good looks suitable for any environment while it also runs quietly and effectively. Perhaps most importantly, Boneco has created three unique and reasonably priced replacement filters available for you to custom tailor the P500 to your individual concerns. Thoughtful features such as automatic operation, a quiet sleep mode and timer ensures the P500 will run when and how you prefer. Our product testers all agree that Boneco has made an impressive first air purifier with the P500 and that this will be a welcome addition in any home.