... 35000hrs lifespan, 3 years warranty. New Oval Design, more brightness, No Shadow T8 Light Bulbs OverviewBenefits from longer life and cost ... ~7500K(Cool White)MaterialsGlass, PC, high quality alloy material for radiation function Application:T8 Light Bulbs are usedat Villa, ... and install, not afraid of vibration;7.led tube light have Standard Lampholder:could directly replace existing fluorescent lamp ...