AURORA 10W 110-277V 2' T8 LED Tube - Frosted Diffuser, Rotatable Endcaps - 4000K - AR-T8610FR/40 Energy-saving LED T8 replacement for 2' fluorescent tube Rotatable end caps for compatibility Impact resistant frosted polycarbonate diffuser 50,000 hours average lifetime to L70 (70% lumen maintenance) 3 year manufacturers warranty