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AC Furnace Air Filter
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Product Description

Filter Size: 19.88×21.5x1A

Actual Size: 19.88×21.5×1

Actual Size Fraction : 19-7/8×21-1/2×1

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19.88×21.5×1 Air Filters

Transform your indoor air quality with our 19.88×21.5×1 Air Filters, available for convenient online purchase at Custom Filters Direct. Engineered to be up to 30 times more efficient than standard fiberglass filters, these filters deliver unparalleled performance, ensuring cleaner and healthier air in your living or working space.

Key Features:

  • Exceptional Efficiency: Experience a new standard of air filtration with our 19.88×21.5×1 Air Filters, designed to be up to 30 times more efficient than conventional fiberglass filters. Enjoy peace of mind as these filters go above and beyond, capturing a higher percentage of airborne particles to enhance your indoor air quality.
  • Pleated Panel Design: The pleated panel design of our filters not only amplifies their dust-holding capacity but also allows for maximum airflow. This strategic design ensures a more effective and consistent performance, providing optimal air filtration for your HVAC system.
  • Supercharged Filtration: Our air filters are supercharged to attract airborne contaminants effectively. This advanced feature ensures that a wide range of particles, including dust, pollen, and allergens, are efficiently captured, leaving you with cleaner and fresher indoor air.
  • Long-lasting Performance: Each 19.88×21.5×1 Air Filter is built to last for up to three months, offering sustained and reliable air filtration. This longevity not only provides you with continuous protection but also minimizes the need for frequent replacements, saving you time and effort.
  • Proudly Made in the USA: Embrace quality craftsmanship and reliability with our air filters, proudly made in the USA. By choosing our product, you support local manufacturing and can trust in the high standards that come with American-made filtration technology.


Upgrade your air filtration system effortlessly with our 19.88×21.5×1 Air Filters from Custom Filters Direct. Purchase online today and enjoy the benefits of a superior filter that goes beyond the ordinary. Breathe in the confidence of cleaner, healthier air with every breath.