L03F model with replaceable power supply is a unique ERVAN patented feature.In case the tube failed, 
only to replace the power supply, no need to change the whole tube, saving money.
Rotating end caps allow to optimize the lighting direction,meeting your different angle demands.

Installation of T8 LED Tube Light:
The same size tube can be installed on to the corresponding lamp holder directly before taking down fluorescent lamp starer.
1. T8 LED Tube Light can be directly installed into T8 or T10 bracket(take down fluorescent lampstarter);
2. T8 LED Tube Light apply to inductive light holder. Electronic ballast fluorescent can't be replaced directly, should take down electronic ballast.