Heavy Duty Filter 21-1/2x21-1/2x1 - AAF International

The Heavy Duty Filter 21-1/2x21-1/2x1 by AAF International is designed for high-performance air filtration in various HVAC applications. With dimensions of 21-1/2 inches by 21-1/2 inches and a thickness of 1 inch, this filter fits standard filter slots seamlessly. Its durable construction ensures long-lasting efficiency, effectively capturing dust, pollen, and other airborne particles. This filter complies with industry standards, making it a reliable choice for both commercial and residential systems.

Manufacturer	AMERICAN AIR FILTER

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