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AC Furnace Air Filter
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Product Description

Filter Size: 13.25×13.25x1A

Actual Size: 13.25×13.25×1

Actual Size Fraction : 13-1/4×13-1/4×1

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13.25×13.25×1 Air Filters

Unleash the power of advanced air filtration with our meticulously crafted 13.25×13.25×1 Air Filters, proudly brought to you by Filter King and available for seamless online purchase at Custom Filters Direct. Designed for both residential and commercial use, these filters redefine air quality standards. Explore the comprehensive features that set these filters apart:

Key Features:

  • Advanced Filtration Technology for Comprehensive Protection: Our 13.25×13.25×1 Air Filters provide an effective shield against a myriad of airborne threats, including pollen, dust, mold, dust mites, bacteria, pet dander, smoke, and viruses. Elevate your indoor air quality and create a healthier living or working environment.
  • 20 Times More Effective than Fiberglass Filters: Step up your air filtration game with filters that are at least 20 times more effective than traditional fiberglass filters. This heightened efficiency ensures a significant reduction in airborne contaminants, contributing to a cleaner and healthier space.
  • Proudly Made in the USA: Embrace quality assurance with our filters proudly made in the United States. Supporting local industries, our commitment to domestic manufacturing ensures that you receive a product of the highest standards, backed by stringent quality control measures.
  • Durable Paperboard Frames with Horizontal Grid Supports: The frames of our filters are constructed from heat-resistant paperboard with horizontal grid supports. Engineered to withstand temperatures up to 200°F and resistant to moisture, these frames outperform traditional cardboard frames. This durability ensures consistent, reliable performance over the long term.
  • Chemical-Free Electrostatic Media for Efficient Filtration: Experience chemical-free filtration with our electrostatically charged synthetic polyester media. The pleated design maximizes the surface area, capturing a high number of airborne particles as small as 0.3 microns, all while maintaining low airflow resistance.
  • Corrosion-Resistant Steel Wire Support for Longevity: To enhance durability, the media is supported with a corrosion-resistant steel wire. This robust support structure ensures the longevity and structural integrity of the filter, contributing to sustained, high-performance air filtration.


Upgrade your air filtration system confidently – choose the 13.25×13.25×1 Air Filters from Filter King, available online through Custom Filters Direct. Breathe cleaner, and fresher air and enjoy the superior performance of filters designed for your comfort. Buy online today and make a lasting investment in your indoor air quality.