The HEPA Frame 16x20x3.75 SS KIT from Koch Filter Corp offers superior air filtration with its 16"x20" dimensions and 3.75" depth. Made from high-quality stainless steel, this frame is designed for durability and long-term use. The HEPA filter effectively traps 99.97% of airborne particles, ensuring clean air in sensitive environments. This kit is perfect for use in hospitals, laboratories, and industrial applications where air quality is critical. Its straightforward installation process makes it a convenient choice for upgrading existing filtration systems.