Aprilaire 210 & 213 Air Filter, 20x25x4, Compatible with 1210, 1620, 2120, 2210, 2216, 3210, 4200

-Perfect Fit: Furnace Air Filters replacement for 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200, Space-Gard 2200 with Upgrade Kit 1213

-Nominal Measurements:20x25x4 -Superior Filtration: Our filter captures 93% of harmful particles, including allergens like pet dander, making your air cleaner and safer for your family.

-Quick and Easy Installation: Change your filter in minutes—no tools required. Just slide out the old one, pop in the new one, and enjoy hassle-free

-Long-Lasting Performance: Replacement fireplace air filters are constructed of multiple layers of foldable fabric to maximize air filtration without sacrificing airflow, ensuring your home stays comfortable and your energy bills stay low.

-Year-Round Freshness: For best results, replace every 12 months depending on usage to maintain optimal air quality.