The 20x20x8 SPRAY STOP U-CUBE HE filter, available in a carton of 10, is engineered by Koch Filter Corp for superior air filtration. This filter features a unique U-Cube design that maximizes surface area, enhancing its ability to trap dust and contaminants. Ideal for high-efficiency applications, it meets stringent industry standards for performance and durability. The dimensions make it suitable for various HVAC systems, ensuring a perfect fit and optimal airflow. Upgrade your air quality with this reliable and efficient filter solution.