GoodBulb 400W Mercury Vapor HID Light Bulb ED37 E39 Mogul Base ANSI H33 Coated Enclosed Fixture Only Non Dimmable 2 Pack

The GoodBulb 400W ED37 Mercury Vapor HID lamp is designed for high-output lighting in demanding commercial and industrial environments. Built with a durable glass housing and coated lens, this lamp delivers consistent performance with improved color stability and lumen maintenance compared to traditional alternatives. Featuring an E39 mogul base and H33 ANSI classification, this lamp ensures compatibility with standard mercury vapor fixtures. It is optimized for enclosed fixtures only and supports universal operating positions, making it versatile for a wide range of installations. With a long 24,000-hour average life, this lamp is ideal for applications requiring dependable, long-lasting illumination such as roadway, security, parking, and warehouse lighting.