The 15A20H1T2H0 AST I 24+24+11-1/2 air filter from AAF International is engineered for high-efficiency filtration in HVAC systems. With dimensions of 24x24x11.5 inches, this filter is ideal for commercial applications requiring superior air quality. It features a high MERV rating, effectively capturing airborne particles and allergens. Made from durable synthetic media, it ensures longevity and low resistance to airflow. This filter meets stringent industry standards, providing reliable filtration and improved indoor air quality. Perfect for environments where air cleanliness is critical, it is a key component in maintaining efficient HVAC operations.