Filtretre Allergen, Bacteria, and Virus Smart Furnace Filter, 16" x 25" x 1" is designed to provide advanced filtration for your HVAC system, capturing microscopic particles such as bacteria and virus-carrying particles, as well as larger particles like mold spores and pollen. This smart filter connects to your mobile device via Bluetooth, allowing you to monitor its performance and lifespan through a user-friendly app. The app actively tracks filter life, so you know exactly when it’s time for a . It also insights into your home's environmental air quality and provides helpful tips to improve it. For added convenience, you can order filters directly through the app. The Filtrete Smart Allergen, Bacteria, and Virus Furnace Filter delivers a smart and effective solution for maintaining clean and healthy indoor air. Model Number: S-2001-4