The Heavy Duty Filter 18-7/8x21-7/8x1 by AAF International is designed for high-efficiency air filtration in commercial and industrial applications. This filter features a robust construction that ensures durability and longevity, making it ideal for environments with high dust and particulate levels. With dimensions of 18-7/8 inches by 21-7/8 inches and a thickness of 1 inch, it fits standard HVAC systems seamlessly. The filter is engineered to meet stringent ISO standards, ensuring optimal performance and compliance. Its heavy-duty design allows for superior airflow while effectively capturing airborne contaminants, enhancing indoor air quality.
