Protects all against


AC Furnace Air Filter
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Product Description

Filter Size: 19.25×23.25x4A

Actual Size: 19.25×23.25×4

Actual Size Fraction : 19-1/4×23-1/4×4

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19.25×23.25×4 Air Filters

Transform your indoor air quality with the exceptional 19.25×23.25×4 Air Filters, available for effortless online purchase at Custom Filters Direct. These filters redefine the standard, offering enhanced efficiency and innovative features to create an optimal breathing environment for your home or office.

Key Features:

  • Exceptional Efficiency: Experience a new level of air filtration with our 19.25×23.25×4 Air Filters, boasting up to 30 times more efficiency than ordinary fiberglass alternatives. Elevate the quality of the air you breathe, providing a heightened level of protection against a wide spectrum of airborne particles for a healthier and cleaner indoor space.
  • Versatile MERV Ratings: Tailor your filtration to meet your unique needs. Our air filters come in various MERV ratings – choose from MERV 8, MERV 11, or MERV 13. This flexibility ensures that you can address specific air quality concerns with precision, offering a comprehensive solution for your indoor environment.
  • Pleated Panel Design: Beyond just a visual element, the pleated panel design is a functional marvel. It significantly enhances dust holding capacity, allowing for maximum airflow. This innovative feature not only ensures that your HVAC system operates efficiently but also captures a higher volume of airborne particles, maintaining a cleaner and healthier indoor environment.
  • Supercharged Filtration: Our air filters are supercharged to attract and capture airborne contaminants effectively. This advanced technology ensures the efficient trapping of a wide range of pollutants, including dust, pollen, mold, and pet dander. Breathe easy, knowing that your indoor environment is fortified against common allergens.
  • Extended Lifespan: Enjoy the convenience and cost-effectiveness of air filters that last up to three months. This extended lifespan not only ensures consistent and reliable performance but also reduces the frequency of replacements. Experience peace of mind as you breathe cleaner, fresher air for an extended period.


Upgrade your air filtration to the next level with the 19.25×23.25×4 Air Filters from Custom Filters Direct. Purchase online effortlessly and take a proactive step towards creating a healthier, more comfortable living or working environment. Breathe with confidence, knowing that you have invested in top-quality air filters designed to exceed your expectations.