BestAir 20x20x1 Air Filter (4-Pack) | MERV 12 Premium Allergen 9100 HVAC AC Furnace Filter | Replacement Air Filter for Residential & Commercial Use | Made in USA | Actual Size (19.75 x 19.75 x 0.75)

About this item

• MERV 12 RATING: High-efficiency electrostatic filter media removes up to 91% of airborne particles from 0.3–100 microns for cleaner, healthier indoor air (for reference, the average human hair is about 75 microns in diameter).
• OPTIMIZED AIRFLOW DESIGN: Combines powerful filtration with minimal pressure drop to maintain HVAC efficiency and system performance.
• SUPERIOR FILTRATION PERFORMANCE: Our non-woven filter media captures household particles 25–30% more effectively than standard 1″ fiberglass filters.
• LONG-LASTING QUALITY: Made in the USA; each filter lasts up to 3 months, providing reliable protection for your home or commercial space.