The PerfectPleat Ultra 15+24+1 by AAF International is a premium air filter designed for high-performance HVAC systems. Measuring 15 inches by 24 inches with a depth of 1 inch, this filter is engineered to provide superior air quality. It features advanced filtration media that captures a wide range of airborne particles, including allergens and dust, ensuring cleaner air. The pleated design enhances surface area for improved airflow while maintaining low resistance. This filter is compliant with industry standards, making it a reliable choice for both commercial and residential applications. Its easy installation process ensures a quick upgrade to your air filtration system.