The Filtrete(TM) Smart Air Filter attracts and captures particles such as bacteria, particles that can carry viruses, and large particles like mould spores and pollen. It's Bluetooth-enabled sensor pairs with the Filtrete(TM) Smart Air Filter App to help track filter life and determine optimal replacement time. The filter continuously creates cleaner, fresher air for the highest standards in air filtration. With the app, you can access information reminding you of your specific filter type and size. Receive reminders about when and where to purchase replacement filters. The app is available on iOS and Android devices. For residential use only.