Filtrete Basic Air Filters capture large airborne particles. Available as pleated or flat panels, these non-electrostatic home air filters capture lint and household dust. A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy. Create a change a countdown in the Filtrete Smart app. Simply use the app to scan the barcode on your filters packaging, then choose 30, 60 or 90 days for your replacement countdown.