Filtrete by 3M, 16x25x1, MERV 12, Advanced Allergen Reduction HVAC Furnace Air Filter, Captures Allergens, Bacteria, Viruses, 1500 MPR, 4 FiltersNot sure which Filtrete device or filter to buy? Click here to view our help guide. Your home should be your sanctuary, starting with the air you breathe. Filtrete Allergen, Bacteria & Virus Air Filters help capture unwanted particles from your household air, contributing to a cleaner, fresher home environment. By proactively capturing dust, bacteria, viruses and allergens, these high performance filters help improve your homes air quality.FILTER SIZE : 16 in x 25 in x 1 in#1 Recommended Brand* (*Filtrete Brand is the most recommended brand of HVAC Air Filters based on the US Filtrete Brand Health Tracker, Ipsos, June 2022)The higher the MPR, the more microparticlessuch as pollen, pet dander, smoke, bacteria and virusesyour filter will capture from the air passing through itFOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 inch filters, and at least every 12 months for 4 inch and 5 inch filtersA dirty filter will slow down air flow and make the system work harder to keep you warm or coolwasting energy. Sign-up for a filter change reminder program (www.filtrete.com/ChangeReminders) that works for you!OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 inch home air filters for your furnace, air conditioner or HVAC systemDESIGNED WITH EXCLUSIVE Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow throughATTRACTS AND CAPTURES microscopic particles such as smoke, cough and sneeze debris, bacteria and virusesand large particles, including lint, household dust and pollen54% SMALL PARTICLE CAPTURE, like bacteria and particles that carry viruses* (* % captured is based on ASHRAE 52.2 testing for 0.3 to 1 micron particles from the air passing through the filter, which relates to HVAC industry standard efficiency testing)CERTIFIED as asthma & allergy friendly* (*As outlined in report ASCR: 1246-01)Filtrete MPR 1500 has a rating of MERV 12FOR RESIDENTIAL use onlyCREATE A CHANGE 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. When the lifespan is up, youll get a notification to change your filter