The PerfectPleat HC M8 air filter, sized at 13-3/4" x 35-3/4" x 1", is designed by AAF International for superior air filtration. Its pleated design maximizes surface area, allowing for efficient capture of dust and allergens while promoting optimal airflow. Constructed from durable materials, this filter meets industry standards, ensuring reliable performance in various HVAC applications. The M8 efficiency rating indicates its capability to filter fine particles, making it an excellent choice for both residential and commercial environments. This filter is vital for maintaining high indoor air quality.