4′ T8 LED Tubes Light Clear Cover Ballast Bypass Fluorescent Replacement 4/10/25
T8 LED bulbs are made of aluminum. Compared with the glass light tube, double ended 4ft t8 led bulbs not only have a larger luminous surface, but also safer. Moreover, the aluminum light tubes can better dissipate heat and increase the service life of the fixture(50,000+ hour lifespan, last up to 20+ years).