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18x18x1 – Merv 11

18x18x1 – Merv 11
AC Furnace Air Filter
$14.95
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Product Description

Filter Size: 18x18x1

Actual Size: 17.75×17.75×1

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

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18x18x1 MERV 11 Pleated Air Filters

Transform the air you breathe with our premium 18x18x1 MERV 11 Pleated Air Filters, available for easy online purchase exclusively from Custom Filters Direct. Crafted with precision and engineered for optimal performance, these filters are the perfect solution for both residential and commercial applications.

Key Highlights:

  • Efficiency up to MERV 11: Elevate your air filtration experience with a MERV 11 rating, ensuring the capture of a significant percentage of airborne particles. Enjoy a cleaner and healthier indoor atmosphere, promoting well-being in your living or working space.
  • Electrostatic Filtration: Harness the power of advanced electrostatic filtration technology, enhancing the filter’s capacity to effectively trap particles. This technology contributes to a comprehensive air purification process, removing contaminants and providing a breath of fresh, clean air.
  • Extended Lifespan: Lasts Up to 3 Months: Experience the convenience of an extended filter lifespan, designed to last up to 3 months. This ensures consistent and reliable air quality improvement with minimal maintenance, offering peace of mind and ease of use for your busy life.
  • Custom Sizes Available: Tailor your air filtration experience by selecting from a range of custom sizes. Ensure a perfect fit for your HVAC system, meeting the specific requirements of your space and optimizing the efficiency of your filtration system.
  • Proudly Made in the USA: Rely on the quality of American craftsmanship with filters proudly manufactured in the United States. Support domestic production and enjoy the assurance of a locally sourced solution meeting the highest standards.

Construction Details:

  • Advanced Tribo-Electric Synthetic Media: Benefit from cutting-edge filtration materials, including 100% high-performance Tribo-Electric synthetic media. This guarantees efficient particle capture, contributing to enhanced air quality and a healthier indoor environment.
  • Cotton/Polymer Blend Micro-Fibers: The filter construction incorporates a blend of cotton and polymer micro-fibers, striking a balance between effective filtration and optimal airflow. This blend ensures comprehensive particle capture without compromising the efficiency of your HVAC system.
  • Optimal Airflow with Low Resistance: Enhance HVAC system performance with filters offering low resistance to airflow. This ensures that the filter improves air quality without compromising system efficiency, contributing to an optimal and balanced airflow.
  • Microbial Growth Prevention: Ensure a healthier indoor environment with a filter construction that actively prevents microbial growth. Maintain cleanliness, preventing the development of harmful microorganisms and contributing to a hygienic air filtration process.
  • Sustainable Design: Contribute to sustainability with a recyclable filter backed by galvanized, corrosion-resistant metal. The robust backing ensures durability and long-lasting performance, providing a reliable and eco-friendly solution.
  • Robust Frame Construction: Equipped with a heavy-duty construction frame, these filters offer structural integrity and resilience. This ensures consistent performance over time, even in demanding environments, providing durability you can depend on.


Upgrade your air filtration system with confidence. Purchase the 18x18x1 MERV 11 Pleated Air Filters from Custom Filters Direct today and immerse yourself in the enduring benefits of superior filtration. Breathe easy, knowing you’ve chosen a reliable solution tailored to enhance the air quality in your specific environment.