Suitable for Broan series bathroom ventilation fans (with dozens of common models such as 678 679 679FL,679FLT, 680, 680FL, 680FLT, M680 HD50L HD80L, etc.), high gloss materials, uniform light transmission and aging resistance, effectively improving light diffusion efficiency, optimizing bathroom lighting brightness and softness. The structure is specially developed for high humidity environments, and it is not easy to yellow or crack after long-term use, maintaining transparency and stability. Snap on installation, simply align and press lightly to complete, without the need for tools or professionals, saving time, effort, and safety when replacing. The high transparency and uniform light design enhances the overall brightness of the bathroom while maintaining ventilation efficiency, balancing functionality and aesthetics, giving the old fan a fresh look. Suitable for Broan series bathroom ventilation fan design, with dozens of common models such as 678 679 679FL,679FLT, 680, 680FL, 680FLT, M680 HD50L HD80L, etc, and can directly replace the original parts S97013662/S97014094. Made of high-quality optical material, it has uniform light transmission and aging resistance, which can effectively improve the efficiency of light diffusion and ensure the synchronous optimization of bathroom lighting brightness and softness. The high-strength ABS plastic structure is specially developed for high humidity environments. It is not easy to yellow or crack after long-term use, maintains transparency and structural integrity, and extends its life. Snap on design, after power failure, align with the position and press lightly to complete installation, without the need for professional tools or technicians to assist. Ordinary users can also quickly replace it, saving time, effort and safety. The high transparency lenses evenly diffuse light, enhance the overall brightness of the bathroom, while maintaining ventilation efficiency, balancing functionality and aesthetics, making the old fan look brand new.