Bulbrite Incandescent Pack of (25) Dimmable 40 Watt Tubular T10 Light Bulbs with Medium (E26) Screw Base, 2700K (Warm White Light) Bulbrite helps you see, do, engage and experience every moment as it's meant to be. Bulbrite is here to inspire you to Turn Life On. Included in this purchase are twenty-five individual T10 Tubular Incandescent light bulbs with a standard E26 base. Each bulb is 40W. This bulb is 130 volts and have a kelvin rating of 2700K.