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21x22x1 – Merv 8

21x22x1 – Merv 8
AC Furnace Air Filter
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Product Description

Filter Size: 21x22x1

Actual Size: 20.5×21.5×1

Actual Size Fraction : 20-1/2×21-1/2×1

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21x22x1 MERV 8 Pleated Air Filters

Immerse your residential or commercial space in superior air quality with our meticulously crafted 21x22x1 MERV 8 Pleated Air Filters, available for easy online purchase directly from Custom Filters Direct. These filters provide reliable and standard protection, ensuring a consistently fresh and clean indoor environment.

Key Features:

  • Versatile Compatibility for HVAC Systems: Tailored as a replacement for 21x22x1 air filters, these versatile filters suit various HVAC systems, including furnaces, air conditioners, heat pumps, and more. Guarantee optimal performance with a seamless and dependable fit.
  • Precision in Actual Size: With an actual air filter size of 20.5×21.5×1″, these filters deliver a precise fit for your HVAC system. This accuracy enhances filtration efficiency, effectively trapping a diverse range of airborne particles and promoting improved indoor air quality.
  • MERV 8 Synthetic Media for Standard Protection: Featuring MERV 8 synthetic media, comparable to MPR 600 and FPR 5, these filters offer standard protection by capturing 90% of airborne particles. Enjoy efficient filtration without compromising airflow, addressing common pollutants such as dust and pollen.
  • Durable Construction: Crafted with high-quality materials, including electrostatically charged pleated filter media, reinforced wire backing, and a durable frame resistant to heat and humidity. This robust design ensures longevity and consistent performance, delivering reliable air filtration.
  • Extended Lifespan for Convenience: Engineered to last for three months, these filters boast an extended lifespan, surpassing traditional fiberglass models by 300%. This extended usage not only provides convenience but also establishes a cost-effective and sustainable air filtration solution.
  • Proudly Manufactured in the USA: Place your trust in the quality of our product, proudly manufactured in the United States. This commitment upholds stringent manufacturing standards and supports domestic production. Additionally, these filters are designed with recyclable materials, showcasing our dedication to environmental sustainability.


Upgrade your air filtration system with confidence and convenience. Purchase the 21x22x1 MERV 8 Pleated Air Filters from Custom Filters Direct today, and indulge in the enduring benefits of standard protection, ensuring cleaner and fresher indoor air. Breathe easy, knowing you’ve chosen a reliable solution tailored to enhance the air quality in your unique environment.