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Universal-4-Pack
Protects all against
MERV-13

21.5×23.25×2

21.5×23.25×2
AC Furnace Air Filter
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Product Description

Filter Size: 21.5×23.25x2A

Actual Size: 21.5×23.25×2

Actual Size Fraction : 21-1/2×23-1/4×2

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21.5×23.25×2 Air Filters

Elevate your air filtration game with our 21.5×23.25×2 Air Filters, available for convenient online purchase from Custom Filters Direct. These filters are a powerhouse of efficiency, surpassing ordinary fiberglass models by up to 30 times. Engineered for superior performance, they combine innovative features to ensure cleaner and healthier indoor air.

Key Features:

  • Exceptional Efficiency: Our 21.5×23.25×2 Air Filters set a new standard by being up to 30 times more efficient than typical fiberglass filters. Experience a heightened level of filtration, providing a robust defense against a variety of airborne contaminants.
  • Pleated Panel Design: The pleated panel design is a game-changer, enhancing dust holding capacity while allowing maximum airflow. This strategic design not only captures more particles but also ensures optimal performance, promoting improved air circulation throughout your space.
  • Supercharged Filtration: These filters are supercharged to attract airborne contaminants with unmatched efficiency. The electrostatically charged synthetic material maximizes the capture of particles, delivering a thorough and effective filtration process.
  • Extended Lifespan: Built to last for an impressive 3 months, our air filters offer a lifespan that is 300% longer than traditional fiberglass models. This extended durability ensures fewer replacements, providing both convenience and cost-effectiveness.
  • American Craftsmanship: Proudly manufactured in the United States, our air filters are a testament to quality and reliability. Every filter is crafted with meticulous attention to detail, meeting the highest manufacturing standards and supporting local production.


Upgrade your air filtration system effortlessly – choose our 21.5×23.25×2 Air Filters from Custom Filters Direct for unparalleled efficiency, durability, and environmental responsibility. Breathe cleaner, fresher air with confidence, knowing you’ve invested in a superior filtration solution.