The replacement light bulb for GE HR400DX33 is a 400-watt high-pressure sodium bulb designed for robust industrial and outdoor lighting applications. This bulb is renowned for its energy efficiency and long lifespan, making it an ideal choice for environments requiring continuous, high-output lighting. With superior luminous efficacy and reliability, the HR400DX33 ensures bright, consistent illumination across a wide range of settings, including warehouses, street lighting, and large outdoor spaces. Trust this high-performance sodium bulb to meet your lighting needs while reducing energy costs. Order today and benefit from our fast shipping and exceptional customer service