T5inT8 energysaving lamp EEI=A2 energysaving upto 60% 2years warranty ... T8, T9, T10 or T12Energy-saving up to 60%20,000Hrs lifespanWarranty: 2 yearWith transparent glass shell to protect ... 45% to 65% energy-saving than normal T8 fluorescent tube, 25% energy-saving than normal T5 with same lumen ... 2 years warranty, reduces maintenance by 66% due to 20,000 hours extended lifespanStandard 2ft, 3ft, 4ft, 5ft ...