Shape T4 SE 39W Satco's Shape T4 SE 39W HID Lamp is a compact, high-output bulb designed for fixtures that require a T4 form factor. Ideal for commercial spaces, signage, and specialty lighting, it delivers steady brightness and dependable performance. Wattage: 39W Built for energy-efficient operation and a long service life, this HID lamp reduces maintenance and operating costs in both residential and commercial settings. Its robust construction is suited to demanding environments, and installation is straightforward for installers and DIY homeowners alike. Part of the HID Lighting category, Satco’s Shape T4 SE 39W works with compatible ballasts and fixtures to deliver reliable light in warehouses, workshops, offices, and retail spaces. Order today and upgrade your lighting.