3Pack 213 Replacement Filter Compatible with AprilAire Whole House Air Purifiers Model 1210, 1620, 2210, 2216, 3210, MERV 13 Furnace Filter Replacement, Size 20x25x4 (Actual size: 21.1x24.8x4in)

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• Compatible Models: 213 Replacement Filter is compatible with Aprilaire Whole House Air Purifier Model: 1210, 1620, 2210, 2216, 3210. NOTE: Not Fit for 1213 Upgrade Kit (Model 2120, 2200)! Please check your purifier model before order.
• MERV 13 Air Filter: The 213 replacement air filter has a MERV 13 rating. It catches 95% of airborne particles such as pet dander and household dust, and prevents household odours caused by cooking, smoking and cleaning products, effectively improving the quality of air in your home.
• High-Efficiency Filtration: Constructed with higher-density media than the original, this filter offers greater dust-holding capacity for extended service life, ensuring optimal airflow throughout your home, creating a comfortable home environment for you.
• Value Package: Included 3 pack 213 MERV 13 replacement filters. Installation is simple and easy, we recommend replacing the filter every 6-12 months for optimal performance (Depending on your usage and environment).
• Nominal Air Filter Size: The 213 Healthy Air 13 Filter has a nominal air filter size of 20 x 25 x 4 inches. The actual size of 213 filter is 21.1" x 24.8" x 4". (nominal size is an industry standard filter size system to help you easily identify the correct replacement filter and is not the actual size)