Shop for Lighting & Fans at The Home Depot. The ViaVolt 250-watt HPS Grow Light Fixture is enclosed ballast and reflector system perfect for primary or supplemental grow room lighting. Each fixture includes a 250-watt High Pressure Sodium bulb with an initial lumen output of 28,000. Includes built in socket, HPS bulb, 7 1/2 in. power cord, tempered air cooled glass, timer, hanging hooks, and adjustable light hanger. Attach a 5 screw flange kit (part number VFK4) to the top of the fixture for air cooling with an inline fan and ducting. The ViaVolt 250-watt HPS Grow Light Fixture plugs into any standard grounded outlet or timer (included).