21x21x1 Nano Air Filter
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- All Nano air filters are rated MERV 13 and use synthetic media that is independently tested to provide protection from dust, pollen, pet dander, mold, smog, bacteria, and virus carrying particles by trapping 98% of airborne particles without impacting air flow.
- 100% manufactured in the United States and designed with recyclable materials.
- High-quality construction means electrostatically charged pleated filter media, reinforced wire backing for structural integrity, and a durable frame to resist heat and humidity.
- Built to last 3 months. 300% longer than fiberglass models.
- Actual air filter size: Actual: 20.75" x 20.75" x .75"