Novelty outlook, utility function T5 tri-phosphor fluorescent bulb with build-in electronic ballast Rapid start at a low voltage and no flicker Saving energy, long life and outstanding performance Low power consumption and without noise T5 8W 220V/120V PC/ Aluminum alloy 312*21*34 T5 14W 220V/120V PC/ Aluminum alloy 573*21*34 T5 21W 220V/120V PC/ Aluminum alloy 873*21*34 T5 24W 220V/120V PC/ Aluminum alloy 581*21*34 T5 28W 220V/120V PC/ Aluminum alloy 1173*21*34 T5 35W 220V/120V PC/ Aluminum alloy 1473*21*34