The 4ft LED tube light come with a polycarbonate lens and high-quality electrical components. In addition, they are designed with non-hazardous materials and free from harmful toxins like lead, mercury, etc. Moreover, the LEDs can endure over 50,000 hours of illumination and generate less heat. Nowadays, LED lights have become the most preferred source of lighting for the interiors. There are retrofit kits also available, which makes them easy to install.