The PerfectPleat HC M8 filter measures 22" x 29" x 2" and is engineered by AAF International for superior air filtration. This high-capacity filter utilizes advanced pleat technology to maximize surface area, resulting in enhanced dust-holding capacity and efficiency. It is designed to capture a wide range of airborne particles, including allergens and dust, making it suitable for residential and commercial HVAC systems. The M8 rating indicates its effectiveness in improving indoor air quality, while its durable construction ensures long-lasting performance. Easy to install, this filter is a reliable choice for maintaining a clean and healthy environment.