Filtrete 20x25x4 MPR 1550 Air Filter, made by 3M, helps capture unwanted particles and allergens from your household air to contribute to a clean home environment. Designed with exclusive Filtrete 3-in-1 technology, including a high MPR 1550 and MERV 12 rating, your AC filter will help pull and capture countless microparticles – such as pet dander, smoke, bacteria and viruses – while letting cleaner air flow through. Your Filtrete Filter will also capture large particles, including lint, pollen and household dust. Use a 12-month deep-pleated 4-inch home HVAC filter in your compatible furnace, air conditioner or HVAC system. For optimal performance of your HVAC system, change your 4-inch furnace filter at least every 12 months. The No. 1 Recommended HVAC Air Filter Brand (1), Filtrete’s Home Air Filters help capture particles both large and invisible, to create a cleaner, healthier home. (1) Based on the 2022 Ipsos US Brand Health Study of Residential HVAC Air Filters. Actual filter size is: 19.88 in x 24.63 in x 4.31 in DESIGNED TO FIT: Honeywell® and Aprilaire® Space-Gard® brand media air cleaners With a 1550 MPR and MERV 12 rating, your Filtrete Filter will help capture many microparticles from the air passing through it Includes one 12-month deep-pleated 4” Filtrete 20x25x4 MPR 1550 AC Furnace Air Filter helps capture unwanted particles Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your 4-inch AC filter at least once every 12 months SMART APP: Use the Filtrete Smart App (iOS or Android) to set 90-, 180-, or 365-day reminders to change your air filter For residential use only Series Name: 1550 MPR Allergen, Bacteria and Virus Actual Length (Inches): 24.4375 Actual Thickness (Inches): 4.31 Actual Width (Inches): 19.88 Common Length (Inches): 25 Common Size (W x L x T): 20 x 25 x 4 Common Thickness (Inches): 4 Common Width (Inches): 20 Air Filter Longevity (Months): 12 Captures Bacteria: Yes Captures Debris and Lint: Yes Captures Dust Mite Debris: Yes Captures Household Dust: Yes Captures Mold Spores: Yes Captures Particles that Carry Odor: No Captures Particles that Carry Viruses: Yes Captures Pet Dander: Yes Captures Pollen: Yes Captures Smog: Yes Captures Smoke: Yes Commercial/Residential: Residential E1 Rating (Percentage): 54 E2 Rating (Percentage): 83 E3 Rating (Percentage): 90 Filter Efficiency (Percentage): 93 Filter Type: Electrostatic pleated Material: Synthetic MERV Rating: 12 MPR Rating: 1550 Package Quantity: 1 Subscription Eligible: Yes Warranty: Limited lifetime Washable: No App Compatibility: Yes Bluetooth Compatibility: No Smart Compatible: No Wi-Fi Compatibility: No Works with Air Conditioners: Yes Works with Android: Yes Works with iOS: Yes CA Residents: Prop 65 Warning(s): No UNSPSC: 40101700