Blue Eagle Face Shield Visor FC48 is the replacement lens only. It provide users with the best vision possible and help them better focus on their task, Blue Eagle faceshields have passed the highest levels of optical tests (Class 1), including spherical refractive power, astigmatic refractive power, prismatic refractive power, and light diffusion. Both sides of the visors are furnished with protective films to ensure protection against damage or scratches during transportation. These films can be easily removed before use.Includes frontal and lateral impact resistance.The faceshield is made using extrusion-grade polycarbonate (PC) with the highest specifications for mechanical strength. Provides the user with superb protection against UV. Quick and easy visor replacement.