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AC Furnace Air Filter
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Product Description

Filter Size: 14x20x4

Actual Size: 13.5×19.5×4

Actual Size Fraction : 13-1/2×19-1/2×4

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14x20x4 Air Filters

Revitalize your home environment and breathe in cleaner air effortlessly with our precisely sized 14x20x4 Air Filters, now available for seamless online purchase exclusively from Custom Filters Direct. Crafted with precision to meet your specific needs, these filters offer optimal performance and a host of benefits. Dive deeper into the features and choose the MERV rating that aligns seamlessly with your lifestyle, ensuring a breath of fresher air for your indoor haven.

Key Features:

  • Perfect Fit with Ideal Sizing: Experience hassle-free installation with our 14x20x4 air filters, meticulously crafted to the actual size of 13 7/8″ x 19 7/8″ x 3 3/4″. Say goodbye to ill-fitting filters and welcome the ease of a perfectly sized solution tailored to meet your filtration needs.
  • Customizable MERV Rating: Tailor your air filtration experience by selecting the MERV rating that perfectly aligns with your lifestyle and air quality preferences. Whether you prioritize higher filtration efficiency or have specific needs, our 14x20x4 Air Filters offer the flexibility to meet your unique requirements.


Performance Specifications:

  • Efficient Pleated Design: The pleated design of our air filters ensures effective filtration, capturing a diverse range of particles. From lint and dust mites to mold spores, pollen, pet dander, and general dust, experience a noticeable enhancement in your indoor air quality.
  • Quality Construction for Standard Capacity: Crafted with quality in mind, our 14x20x4 Air Filters boast standard capacity to tackle everyday air quality challenges. The pleated material enhances the filter’s capacity, ensuring optimal performance over an extended period.
  • FPR 5 Rating Targeting Dust & Pollen: Rated FPR 5, our filters specifically target dust and pollen. Enjoy a reduction in these common airborne irritants, fostering a healthier and more comfortable living environment for you and your family.
  • MPR 600 Rating for Comprehensive Filtration: With an MPR rating of 600, our air filters deliver a comprehensive filtration experience. Efficiently capturing particles in the 3-10 micron range, these filters contribute significantly to maintaining a cleaner and healthier home environment.
  • Routine Replacement for Consistent Performance: Maintain optimal performance by replacing your 14x20x4 Air Filters every 60-90 days. This routine replacement ensures that your air filtration system operates at its best, providing continuous protection against airborne particles.


Elevate your living environment with the precision and performance of our 14x20x4 Air Filters from Custom Filters Direct. Tailor your air quality experience by choosing the MERV rating that suits you, and enjoy the convenience of online purchasing for a breath of fresh, cleaner air. Buy your filters today!