Filtrete 18x18x1 Air Filter, 3M MERV 5 HVAC AC Furnace Filter Replacement, 6-Pack (Actual Size 17.81x17.81x.88 in)

Clean Home Environment - The Filtrete 18x18x1 HVAC Filter is designed for residential use. It traps unwanted particles in your home's air, promoting a cleaner and fresher living space. Easy 3-Month Filter Replacement - For optimal performance of your furnace, air conditioner, or HVAC system, change your filter at least every 90 days. A dirty filter slows air flow and makes the system work harder to keep you warm or cool, wasting energy. Well-Structured - Designed with Filtrete's exclusive 3-in-1 technology, the AC filter pulls in and traps unwanted particles, allowing cleaner airflow. These furnace filters 18x18x1 capture more particles than fiberglass air filters. Highly Efficient - Being Merv 5, the carbon coated fiber matrix this filter will provide extra deep filtration to help you maintain optimal air quality in your home. Get Notified When A Change is Needed - Create a change countdown in the Filtrete Smart app. Use the app to scan the barcode on your air conditioner filter's packaging, and choose 30, 60, or 90 days for your replacement countdown. You’ll get a notification to change your 18x18x1 furnace filter when the lifespan is up.