Filtrete 20 x 25 x 4 MERV 13 1900 MPR AprilAire 213 Replacement Filter Electrostatic Pleated Air Filter 2 -Pack

DESIGNED TO FIT APRILAIRE UNITS: Filtrete 213 AprilAire replacement filters fit AprilAire Whole House Air Purifiers, including models 1210, 1620, 2210, 2216, 3210, 4200 and NOT COMPATIBLE WITH Space-Gard models and 1213 upgrade kit

SIMPLE, HASSLE-FREE INSTALLATION: Skip complex rail systems—unpack, slide your Filtrete replacement filter into place, close the door, and enjoy the fresh air

#1 RECOMMENDED BRAND: Filtrete Brand is the #1 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 those concerned with allergens and air pollutants, Filtrete MPR 1900 air filters capture 26% more microparticles than MERV 13 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

EASY REMINDERS WITH APP: Stay on top of air filter changes with the Filtrete Smart App, available on iOS and Android, to set reminders every 90, 180, or 365 days