The PerfectPleat HC M8 air filter measures 14-5/8" x 21-3/4" x 1" and is designed by AAF International for high-efficiency filtration. This filter features a pleated design that enhances airflow while capturing airborne particles effectively. Constructed with durable materials, it meets industry standards for air quality and performance. Ideal for HVAC systems, it ensures optimal air circulation and filtration in residential and commercial applications. The M8 rating indicates its capability to trap a significant amount of dust and allergens, making it suitable for environments requiring clean air. Upgrade your air filtration system with this reliable and efficient filter.