Ballast Type:Residential, Light Bulb:(2)32w T8 Med Bi-Pin Linear Fluor The WN Series is a surface wraparound luminaire featuring energy efficient performance. The luminaire"s clean, low profile design is both appealing and functional. The WN Series utilizes a clear, low brightness, extruded acrylic refractor for high performance and aesthetics. The efficient and stylish WN Series is the perfect wraparound for residential applications. The efficient and stylish WN Series is perfect for residential areas. Steel end plates with 7/8" KO and light-seal embossment. 120V Residential electronic instant start ballast Multistage, prepaint ensures maximum bonding and rust prevention. Spacing criterion: 1.4 x Efficiency 82.0% Rotor lock lampholders. 100% clear acrylic prismatic lens. Ends formed with housing for strength and row alignment.