3M 18x20x1, MERV 11, Allergen Plus Odor shops Reduction HVAC Furnace Air Filter

Product Name: 3M 18x20x1, MERV 11, Allergen Plus Odor shops Reduction HVAC Furnace Air Filter
1200D shops MPR has a rating of MERV 11 The higher the MPR, the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1in. 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! FOR RESIDENTIAL use only CREATE A CHANGE COUNTDOWN 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.