Filtrete Smart Allergen, Bacterial & Virus filter attracts and captures microscopic particles like bacteria, particles that can carry viruses, and large particles like mold spores and pollen. Filtrete Smart Air Filters take all the guesswork out of knowing when it is the right time to make a change. Simply connect the filter to a mobile device via Bluetooth and monitor the home's air filtration system with active filter life tracking, environmental air quality information, tips for improving air quality, and easy mobile replacement filter ordering, all in one convenient App.