Filtrete 20x25x1, 10, Micro Particle Reduction Furnace Air Filter, 800 , 4 Filters

: 20 in x 25 in x 1 in , - 3-month pleated 1 in. home air filters for your furnace, air conditioner or system Filtrete™ Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through particles such as lint, pollen, dust, pet dander, smoke and smog 800 has a rating of 10 The higher the , the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it of your heating & cooling system or system, change your home air filter at least every 90 days for 1 in. filters, and at least every 12 months for 4 in. and 5 in. filters A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy. Sign-up for a filter change reminder program (www.filtrete.com/ChangeReminders) that works for you! use only A in the Filtrete™ Smart app. Simply use the app to scan the barcode on your filter’s packaging, then choose 30, 60 or 90 days for your replacement countdown. When the lifespan is up, you’ll get a notification to change your filter