Size:8", Ballast:Multi-volt, Light Bulb:(4)54w T5 HO Mini Bi-Pin Linear Fluor Rugged reinforced FRP housing. Spring mounted easy install lens brackets. Diffuser is one piece molded high-impact clear acrylic. New gasketing offers secure seal against dust and moisture when diffuser is attached. UL listed for damp/wet locations. Gear tray is die-formed of 22-gauge steel. Heavy-duty gray polycarbonate housing has a continuous pored gasket providing a tight seal. Standard mounting holes are included. Two stainless steel mounting brackets are provided, which allow for flush or chain mounting. Power supply connections can be made inside the fixture wire way. Acrylic diffuser is clear .080 thick with interior linear prisms and a smooth exterior. Diffuser is secured in position with 10 polycarbonat