The PerfectPleat SC M8 14+28+4 air filter by AAF International is designed for high-efficiency air filtration in commercial and industrial applications. This filter features a pleated design that enhances surface area for improved airflow and dust holding capacity. Constructed with durable materials, it measures 14 inches by 28 inches with a depth of 4 inches, ensuring a perfect fit for standard HVAC systems. The M8 rating indicates its ability to capture a significant amount of airborne particles, making it ideal for environments requiring superior air quality. Compatible with various HVAC systems, this filter meets industry standards for performance and reliability.