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18.25x22x4 – Merv 13

18.25x22x4 – Merv 13
AC Furnace Air Filter
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Product Description

Filter Size: 18.25x22x4A

Actual Size: 18.25x22x4

Actual Size Fraction : 18-1/4x22x4

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18.25x22x4 MERV 13 Pleated Air Filters

Upgrade your indoor air quality with our advanced 18.25x22x4 MERV 13 Pleated Air Filters, available for convenient online purchase exclusively at Custom Filters Direct. Discover the key features and benefits that make these filters an exceptional choice for both residential and commercial use:

Key Features:

  • Optimal Filtration Size: Replace your furnace, air conditioner, heat pump, or HVAC system filters with our 18.25x22x4 MERV 13 air filter. The actual size of 18.25x22x4 inches ensures a precise fit for optimal performance.
  • Comprehensive Particle Protection: Our MERV 13 synthetic media, comparable with MPR 1500/1900 and FPR 10 ratings, provides superior protection by trapping 98% of airborne particles. From dust and pollen to pet dander, mold, smog, bacteria, and virus-carrying particles, our filters ensure a healthier indoor environment without compromising airflow.
  • High-Quality Construction: Experience top-notch construction with electrostatically charged pleated filter media for maximum particle capture. The reinforced wire backing enhances structural integrity, and the durable frame is designed to resist heat and humidity. This ensures consistent performance in various conditions.
  • Extended Lifespan: Built to last for 3 months, our MERV 13 filters outperform fiberglass models with a 300% longer lifespan. Enjoy sustained protection and optimal air quality for an extended period, reducing the frequency of filter replacements.
  • American Craftsmanship: Rest easy knowing that our filters are 100% manufactured in the United States. Our commitment to quality craftsmanship ensures that you receive a product that meets stringent standards.
  • Eco-Friendly Design: Designed with recyclable materials, our filters not only contribute to a cleaner indoor environment but also support sustainability efforts. Make a responsible choice for your air filtration needs.


  • Superior Air Quality: The MERV 13 rating of our filters provides unmatched protection against a wide range of airborne particles. Enjoy cleaner, healthier air by significantly reducing dust, pollen, pet dander, mold, smog, bacteria, and viruses.
  • Efficient Filtration without Compromising Airflow: Our filters strike the perfect balance between effective filtration and optimal airflow. The electrostatically charged pleated filter media ensures efficient particle capture without hindering the airflow within your HVAC system.
  • Long-Term Cost Savings: With a 300% longer lifespan than fiberglass models, our MERV 13 filters offer a cost-effective solution. Experience enhanced air quality without the need for frequent replacements, resulting in long-term savings.
  • Proudly American-Made: Supporting local manufacturing, our filters are proudly made in the United States. Choose a product that reflects quality craftsmanship and adherence to stringent standards.
  • Environmentally Responsible: Join us in promoting environmental sustainability with our filters designed using recyclable materials. Make a conscious choice for both your indoor air quality and the planet.

Upgrade your air filtration system effortlessly with our 18.25x22x4 MERV 13 Pleated Air Filters. Trust Custom Filters Direct for a reliable and convenient solution to enhance the air you breathe every day. Order now and experience the superior performance of our advanced filters.