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Filter Size: 20x21x1A
Actual Size: 20x21x1
Actual Size Fraction : 20x21x1
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Upgrade your indoor air quality effortlessly with our premium 20x21x1A MERV 13 pleated air filters, available for convenient online purchase at Custom Filters Direct. These meticulously crafted filters are designed for optimal air filtration, catering to both residential and commercial spaces.
Elevate your indoor air quality today with Custom Filters Direct. Purchase our 20x21x1A MERV 13 pleated air filters online for a transformative difference in the air you breathe.