Improve your home's air quality with the Filtrete 20x20x1 Air Filter, featuring MERV 5 efficiency for effective particle capture. This 6-pack of pleated HVAC filters, each measuring 19.69x19.69x0.88 in., is designed for use in furnaces, air conditioners, and HVAC systems. The Filtrete Smart app makes filter maintenance easy—simply scan the barcode on the packaging and set reminders for 30, 60, or 90 days, so you never miss a replacement. These house air filters help trap dust, pollen, and other airborne particles, supporting a cleaner, healthier living environment. The advanced 3-in-1 filtration technology outperforms standard fiberglass filters, promoting better airflow and energy efficiency in your home. For optimal performance and to maintain your HVAC system, replace your filter every 90 days. A clogged filter can restrict airflow and increase energy use. Choose Filtrete for reliable, high-performance home air filtration that keeps your indoor air fresh and your system running efficiently.