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)

Select Filter Quality


Product Description

Filter Size: 18x24x1

Actual Size: 17.75×23.75×1

Actual Size Fraction : 17-3/4×23-3/4×1

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.

18x24x1 Air Filters

Discover a breath of fresh air with Custom Filters Direct, where our 18x24x1 air filters stand as the epitome of excellence. Meticulously designed to revolutionize your home environment, these filters are crafted with precision, promising a cleaner, healthier atmosphere. Immerse yourself in the world of freshness, available at your fingertips through our user-friendly online platform.

Decoding Dimensions: Unveiling the True Size

Embark on your journey to the perfect air filter by understanding its dimensions. The actual size of our 18x24x1 filter is 17 3/8″ x 23 3/8″ x 3/4″, ensuring a seamless fit into your HVAC system, a critical component for efficient air filtration.

Key Features: Unmatched Quality, Varied MERV Ratings, Pleated Perfection

  • Quality Craftsmanship: Our filters are proudly crafted in the USA with superior quality materials, guaranteeing durability and efficiency that exceeds industry standards.
  • MERV Rating Options: Tailor your air filtration to your specific needs with MERV ratings of 8, 11, or 13, ensuring a comprehensive and effective filtering process.
  • Pleated Design: Our 100% pleated air filters are ingeniously engineered for optimal airflow, providing consistent and reliable performance throughout their lifespan.
  • Price Guarantee: Experience the peace of mind that comes with our lowest price guarantee, choosing cleaner air both accessible and affordable.


The Craftsmanship Unveiled: Precision in Every Detail

Our air filters are meticulously constructed from synthetic materials and pleated with precision for maximum airflow efficiency. With a nominal size of 1 inch, the actual size of .75 inches ensures a snug fit, guaranteeing that your HVAC system operates at its peak performance.

Compatibility at Its Core: Tailored for Your Home and Office

Designed to seamlessly integrate with most AC and furnace systems in homes and offices, our filters are compatible with various intake vent sizes. By effectively filtering out dust, pollen, bacteria, and other airborne particles, they ensure a breath of fresh air in your living or working space.

Why Choose Our 18x24x1 Air Filters:

  • Quality Materials: Crafted in the USA with premium synthetic materials for durability and reliability.
  • Optimal Airflow: The pleated design facilitates consistent and efficient airflow, ensuring optimal performance.
  • Versatile Compatibility: Designed to work seamlessly with most home and office HVAC systems, providing flexibility in installation.
  • Healthier Living: Effectively filters out dust, pollen, bacteria, and more, contributing to a healthier indoor environment.


Elevate Your Indoor Experience:

With Custom Filters Direct, you’re not just purchasing air filters; you’re investing in a cleaner, fresher living space. Order your 18x24x1 air filters online today and breathe easy with the assurance of meticulously filtered air in your home!