10-Pack E-Simpo T5 to T8 adapter, T5 to T8 endcap converter, used for Retrofitting T5 fixture with T8 Tube, Rohs, Z1054 10pcs=5pairs,each Tube requires 2pcs Used for install T8 LED Tube into T5 fixture. Increase Brightness and lower Power consumption Flame Retardant PBT, Phosphor Bronze,Simple Design, Easy Install LED T8 Tube Replace T5 CFL T5 to T8 adapter, G5 to G13 lamp socket adapter