The Kurtzon RD-FG-LED is a recessed fixture with a classic round dome extending below the ceiling plane. It is designed for installation on plaster and drywall ceilings as well as in T-bar grids. The door frame is a one piece .125 thick aluminum with rigid extruded ring supports the lens. It also includes concealed torsion springs securely support the frame and provide for tool-less entry.; The luminaire is IP65 rated for dust and water ingress, and UL listed per UL_1598 for wet locations.