20x25x1 Air Filter, 3M MERV 1 HVAC AC Furnace Filter Replacement, 6-Pack
Get Notified When A Change is Needed – Create a change countdown in the Filtrete Smart app. You’ll get a notification to change your 20x25x1 furnace filter when the lifespan is up. Compatible Devices Air Conditioner, HVAC Systems, Furnace.