Secondary reflection design,high light output reaching 95%,V-shape grid,paracurve arc reflector,T8/T5 luminous ... very high. UV protection, electrostatic dustGlass adhesive foam rubber seal fixed, to avoid voids, dust, moistureScientific structure design, a ... and other components safe and reliableAccording to customer special T5 series, or optional emergency unitInstallation, A, B-type ceiling surface ...