All filters are made in the USA  – Order Today


Protects all against


AC Furnace Air Filter
Rated 0.0 out of 5
0.0 out of 5 stars (based on 0 reviews)

Out of stock

Product Description

Filter Size: 24x28x4

Actual Size: 23.5×27.5×4

Actual Size Fraction : 23-1/2×27-1/2×4

Customer Reviews

Rated 0.0 out of 5
0.0 out of 5 stars (based on 0 reviews)
5 Star0%
4 Star0%
3 Star0%
2 Star0%
1 Star0%

Review this product

Share your thoughts with other customers

Top Reviews

There are no reviews yet. Be the first one to write one.

24x28x4 Air Filters

Upgrade your air filtration system with our 24x28x4 Air Filters, available for easy online purchase exclusively from Custom Filters Direct. Proudly made in the USA, these filters are crafted to provide superior performance and enhance the air quality in your home or business.

Key Features:

  • Filter Size: 24x28x4, Actual Size: 23.5×27.5×4: Enjoy a perfect fit for your HVAC system with our precisely measured filters. The 24x28x4 size ensures optimal air filtration, while the actual size of 23.5×27.5×4 guarantees compatibility with your system.
  • Long-lasting Performance: Our filters are engineered to last up to 90 days, surpassing fiberglass alternatives by three times. For households with pets, children, or allergy sufferers, frequent replacement is recommended to uphold superior indoor air quality and maintain energy efficiency.
  • Made in the USA: Support local manufacturing with our 24x28x4 Air Filters proudly made in the USA. Choose a product that reflects quality craftsmanship and adherence to stringent standards.
  • Enhanced Efficiency: Experience superior filtration with our 24x28x4 pleated air filters, which are at least 20 times more efficient than fiberglass filters. The synthetic media used in our filters provides significantly higher particulate efficiency compared to standard cotton media, ensuring cleaner and healthier air.
  • Durable Construction: The filter frames are constructed with beverage board, ensuring durability even in humid conditions and temperatures up to 200°F. Trust in the robust build to withstand varying environmental conditions and maintain consistent performance.

Why Choose Custom Filters Direct:

  • Energy-Efficient Solutions: Enjoy the benefits of longer-lasting filters that contribute to lower energy costs. With a lifespan of up to 90 days, our filters provide efficient air filtration while keeping your energy bills in check.
  • Tailored Filtration: Address specific air quality concerns by choosing Custom Filters Direct. Our 24x28x4 Air Filters offer customizable solutions, allowing you to tailor your filtration to the unique needs of your indoor space.

Elevate your indoor air quality effortlessly with Custom Filters Direct. Purchase your 24x28x4 Air Filters online today and enjoy cleaner, healthier air in your home or business.