Filtrete 210 Air Filter, AprilAire 210 Replacement Filters, MERV 11, MPR 1000, Allergens & Pet Dander, 12-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow, 1 HVAC Filter

DESIGNED TO FIT APRILAIRE UNITS: Filtrete 210 AprilAire replacement filters fit AprilAire Whole House Air Purifiers, including models 1210, 1620, 2210, 2216, 3210, 4200. NOT COMPATIBLE WITH Space-Gard models and 1213 upgrade kit | SIMPLE, HASSLE-FREE INSTALLATION: Skip complex rail systemsunpack, slide your Filtrete replacement filter into place, close the door, and enjoy the fresh air | MOST RECOMMENDED BRAND: Filtrete Brand is the most recommended HVAC filters brand, known for innovating, designing, and manufacturing our own filters to ensure consistent high quality, based on the 2025 Sago US Brand Health Survey of Residential HVAC Air Filters | CLEANER INDOOR AIR: Ideal for pet owners and those with allergen concerns, Filtrete MPR 1000 Allergens & Pet Dander air filters capture 2X more microparticles than MERV 11 requirements. Microparticles are 0.3-1.0 microns in size | RELIABLE AIR FLOW: Our advanced 3-in-1 technology pulls in, traps particles, and keeps air moving cleanly and evenly, Filtrete filters maintain similar airflow across all MERV and MPR levels | ASTHMA & ALLERGY FRIENDLY CERTIFIED: Independently tested and certified to help reduce exposure to dust, lint, and other allergens in your home | FILTER MEASUREMENTS: Precisely sized, this furnace and AC filter has a nominal size of 20 x 25 x 4 in and exact measurements of 20 3/8 x 25 3/16 x 3 3/4 (20.38 x 25.19 x 3.75) | CHANGE FILTERS ANNUALLY: For optimal performance, change your 20x25x4 furnace filters at least every 12 months; replace more often in homes with pets, smokers, a continuously running fan, or during construction or sanding | SMART APP: Use the Filtrete Smart App (iOS or Android) to set 90-, 180- or 365-day reminders to change your air filter | AprilAire is a registered trademark of Carrier Corporation