Superfit Led trunking Retrofit Solution that is a good convenient and economy solution for T8/T5 fluorescent fixture replacement. Which perfect retrofit solution to replace the old 2*36W, 1* 58W and 2*58W T8 tubes with and without reflectors. Doesn’t need any physical modifications and any electrical modifications on the existing trunking system. And reuse the original wiring and the original connector as plug in play. Different function such as emergency, Pir-sensor, and Dali function can meet the lighting needs of different site.