Fluorescent tubes in various versions including Linear, Circular and 2D.

2 D 2 Pin 2D compact fluorescent lamps with 2 pin base.	2D 4 Pin 2D compact fluorescent lamps with 4 pin base.
T4 Slimline Tube T4 slimline (13mm diameter) fluorescent tubes. 2 pins each end.	T5 Slimline Tube T5 slimline (16mm diameter) fluorescent tubes. 2 pins each end.
T8 Circular T8 circular fluorescent tubes.