... different size reflector or no reflector as your request4.lamp holder PC plastic adapter lamp holder5.Electronic ballast with all protect . Power factor ... ) 1, turn off power supply 2, take away the T8 lamp 3, take away the starter 4, take away the rectify ... 0.5 5, install the T5 lamp tube what in a same way of T8 lamp. 6, Turn on the power, then ...