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AC Furnace Air Filter
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Product Description

Filter Size: 18x20x2A

Actual Size: 18x20x2

Actual Size Fraction : 18x20x2

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18x20x2A Air Filters

Elevate your indoor air quality effortlessly with our premium 18x20x2A Air Filters, available for seamless online purchase exclusively at Custom Filters Direct. Tailored to fit HVAC systems with precision, these filters redefine air purification, ensuring a healthier and more comfortable living or working space. Explore the outstanding features that distinguish our 18x20x2A Air Filters:

Key Features:

  • Actual Size: 18x20x2: Impeccably fitting the dimensions of your HVAC system, these filters guarantee optimal performance and superior filtration. Step up your air quality game by choosing a filter designed specifically for your space, promoting cleaner and fresher air circulation.
  • 2-Inch Filter Thickness: Engineered with a 2-inch thickness, our filters boast an expanded filtration capacity, delivering enhanced protection against a diverse range of airborne particles. Embrace a healthier indoor environment in both residential and commercial settings with our advanced air filtration solution.
  • Comprehensive Protection: Guard your living or working space against a myriad of contaminants, including pollen, dust, mold, dust mites, bacteria, pet dander, smoke, and viruses. The 18x20x2A Air Filters act as a robust barrier, ensuring a comprehensive shield against common pollutants and allergens.
  • Made in the US: Trust in the quality of our products, as all our air filters are proudly manufactured in the USA. Benefit from superior craftsmanship and reliability to meet your indoor air purification needs.
  • 20 Times More Effective: Compared to standard fiberglass filters, our 18x20x2 pleated air filters exhibit at least 20 times more effectiveness. Invest wisely in superior filtration that outperforms traditional options, providing unparalleled air quality enhancement for your living or working space.
  • Durable Construction: Crafted with longevity in mind, the filter frames are made from heat-resistant paperboard featuring horizontal grid supports. Resistant to temperatures of up to 200°F and moisture, these frames do not support microbial growth, surpassing the durability of traditional cardboard frames.
  • Electrostatically Charged Synthetic Polyester Media: Our chemical-free media is thoughtfully pleated to maximize surface area, capturing particles as small as 0.3 microns with minimal airflow resistance. The electrostatic charge enhances efficiency, while a corrosion-resistant steel wire provides robust support, ensuring prolonged durability.


Upgrade your air filtration system with confidence and convenience. Purchase the 18x20x2A Air Filters from Custom Filters Direct today and immerse yourself in the transformative difference of superior air quality. Breathe cleaner, live healthier – make the choice for optimal indoor air purity now!