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AC Furnace Air Filter
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Product Description

Filter Size: 20x23x1

Actual Size: 19.5×22.5×1

Actual Size Fraction : 19-1/2×22-1/2×1

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20x23x1 Air Filters

Welcome to Custom Filters Direct, your premier destination for revolutionary air quality solutions. Immerse yourself in the advanced design and efficacy of our 20x23x1 Air Filters, meticulously created to enhance the air you breathe in both residential and commercial spaces. Simplify the process of improving your indoor air quality by conveniently purchasing these high-performance filters online.

Key Features:

  • Optimal Filter Size: Engineered exclusively for 20x23x1 HVAC systems, our filters boast an actual size of 19.5 x 22.5 x 0.75 inches, ensuring a tailored and secure fit for your specific unit.
  • Versatile 1-Inch Thickness: Striking the perfect balance between efficient filtration and unimpeded airflow, our 20x23x1 Air Filters feature a versatile 1-inch thickness. This ensures optimal performance without compromising the efficiency of your HVAC system.
  • Comprehensive Protection: Safeguard your indoor environment comprehensively as our filters protect against many airborne threats. From pollen, dust, and mold to dust mites, bacteria, pet dander, smoke, and viruses, our filters are versatile and ideal for both residential and commercial applications.
  • Made in the USA: Rest easy knowing that the quality and craftsmanship of our air filters are a testament to American excellence. All our products are proudly manufactured in the United States, emphasizing our unwavering commitment to delivering top-notch solutions.


Advanced Filtration Technology:

  • 20 Times More Effective: Compared to traditional fiberglass filters, our 20x23x1 pleated air filters demonstrate exceptional effectiveness, offering at least 20 times greater filtration capability. Revel in superior performance as these filters excel in capturing and removing airborne particles with unmatched precision.
  • Heat-Resistant Paperboard Frames: Crafted with ingenuity, the frames of our filters are composed of heat-resistant paperboard with horizontal grid supports. Capable of withstanding temperatures of up to 200°F, these frames not only exude durability but also resist moisture, discouraging microbial growth. This innovative design outshines traditional cardboard frames.
  • Electrostatically Charged Synthetic Polyester Media: Embrace the era of chemical-free filtration with our electrostatically charged synthetic polyester media. Pleated to maximize surface area, this advanced media captures many airborne particles, including those as small as 0.3 microns, all while maintaining low airflow resistance.
  • Corrosion-Resistant Steel Wire Support: Elevating durability to new heights, the media is strategically supported with a corrosion-resistant steel wire, ensuring the structural integrity of the filter over its lifespan.



Elevate your indoor air quality and unlock a host of benefits with our 20x23x1 Air Filters:

  • Efficient Filtration: Trust our filters to efficiently capture particles as small as 0.3 microns, promoting a cleaner and healthier indoor environment for you and your loved ones.
  • Reliable Performance: Tailored for both residential and commercial use, our filters consistently deliver reliable performance in diverse environments, meeting the distinctive demands of each setting.
  • Made-in-USA Assurance: Experience peace of mind knowing that our filters are not just high-quality but are proudly manufactured in the United States, reflecting our commitment to excellence and reliability.


Upgrade to the superior filtration capabilities of our 20x23x1 Air Filters today. Seamlessly place your order online with Custom Filters Direct and embark on a journey to breathe in the freshness of a healthier indoor environment!