Opt for a Filtrete Allergen Defense Air Filter to transform your central heating and cooling system into a whole home air filtration operation. This no-nonsense filter helps capture varying sizes of particles, from the large (lint, pollen, dust and pet dander) to the microscopic (smoke and smog). Create a Change Countdown in the Filtrete Smart app. Simply use the app to scan the barcode on you 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. Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1-in home air filters for your furnace, air conditioner or HVAC system Designed with exclusive Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through 1000 MPR filters has a rating of MERV 11 Attracts and captures particles such as lint, pollen, dust, pet dander, smoke and smog 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 and cooling system or HVAC 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 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 Series Name: 1000 MPR Allergen Defense Actual Length (Inches): 24.4375 Actual Thickness (Inches): 4.31 Actual Width (Inches): 15.75 Common Length (Inches): 25 Common Size (W x L x T): 16 x 25 x 4 Common Thickness (Inches): 4 Common Width (Inches): 16 Air Filter Longevity (Months): 12 Captures Bacteria: No 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: No Captures Pet Dander: Yes Captures Pollen: Yes Captures Smog: Yes Captures Smoke: Yes Commercial/Residential: Residential E1 Rating (Percentage): 42 E2 Rating (Percentage): 77 E3 Rating (Percentage): 88 Filter Efficiency (Percentage): 88 Filter Type: Electrostatic pleated Material: Synthetic MERV Rating: 11 MPR Rating: 1000 Package Quantity: 2 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