Heavy Duty Filter 11-1/2x21x1 - AAF International

The Heavy Duty Filter by AAF International, measuring 11-1/2 inches by 21 inches with a 1-inch depth, is designed for robust air filtration in demanding environments. This filter features a high-efficiency design that captures a wide range of airborne contaminants, making it suitable for industrial and commercial applications. Constructed with durable materials, it ensures long-lasting performance and meets ANSI/ASHRAE standards for air quality. Its compact size allows for easy installation in various HVAC systems, providing reliable filtration and improved indoor air quality.

Manufacturer	AMERICAN AIR FILTER

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