12-Watt 3 ft. Equivalent Linear T8 Double Ended LED Light Bulb (25-Pack)

Keystone DirectDrive LED tubes eliminate the need for an external driver or ballast. For new construction installations, simply connect the 120-277-Volt line voltage directly to the sockets. For retrofit installations, bypass the existing ballast by cutting the wires and connecting the 120-277-Volt line voltage directly to the sockets. No ballast or driver is required.|Replacement for conventional fluorescent lamp|Single- or double-ended wiring|Approximately 40% more energy efficient than standard F32T8 lamps|Integral driver (isolated) eliminates the need for external driver or ballast|50,000+ hour lifetime|Environmentally friendly: no mercury used|UL classified