The HEPA Frame 12.6x24.6x3.75 GA Kit from Koch Filter Corp is engineered for high-efficiency air filtration. This HEPA frame measures 12.6x24.6x3.75 inches and is constructed from galvanized steel, ensuring durability and resistance to corrosion. Designed to fit standard HVAC systems, it captures 99.97% of particles as small as 0.3 microns, making it ideal for environments requiring stringent air quality standards. This kit includes all necessary components for easy installation, making it a reliable choice for both commercial and industrial applications.