Powerful LED Retrofit That Cuts Your Energy Bill in Half The Light Efficient Design 90W Open Rated LED High Bay Retrofit (LED-8136M50D) is the smart, cost-effective solution for facilities looking to modernize their lighting without replacing entire fixtures. Designed to directly replace up to 250W HID lamps using the standard EX39 mogul base, this retrofit delivers a dramatic reduction in energy consumption while maintaining powerful, high-quality illumination. Bright, Clean 5000K Daylight Output Operating at 5000K colour temperature, this LED retrofit produces crisp, daylight-quality light that improves visibility and worker alertness — ideal for demanding environments. Whether you're lighting a warehouse, manufacturing facility, gymnasium, big-box retail space, or industrial workshop, this unit delivers consistent, shadow-free brightness across large open areas. Versatile Voltage & Open-Rated Design With a wide voltage range of 120–277V, this retrofit is compatible with virtually any commercial or industrial electrical system across Canada, eliminating costly rewiring. The open-rated design makes it suitable for installations where airflow and heat dissipation are priorities, ensuring long-term reliability in challenging environments. Why Choose LED-8136M50D from Lumibox? Backed by Light Efficient Design's reputation for quality, this retrofit is a plug-and-play upgrade that slashes maintenance costs, reduces energy usage by up to 64%, and qualifies for utility rebate programs across Canada. Available at Lumibox.ca for just — a fast-payback investment your facility deserves.