The PERFECTPLEAT ULTRA 15x25x1 by AAF International is a premium air filter designed for high-efficiency filtration in HVAC systems. With dimensions of 15 inches in depth, 25 inches in width, and a thickness of 1 inch, this filter features a MERV 11 rating, effectively capturing a wide range of airborne particles including dust, allergens, and smoke. Its advanced pleated design maximizes surface area, ensuring optimal airflow and extended service life. Suitable for both residential and commercial applications, this filter is constructed from high-quality materials that comply with industry standards, making it a reliable choice for maintaining superior indoor air quality.