GE 26439 175W White Mercury Vapor Light Bulb – ED28 Base, H39 Ballast Compatible

Bright white illumination for larger spaces

The GE Lighting 26439 is a 175 watt white mercury vapor bulb designed to illuminate larger spaces with a crisp, broad beam. With a 175W rating, it delivers noticeable brightness across open environments such as warehouses, garages, and outdoor areas where wide coverage matters.

Compatibility and installation

This bulb is intended for fixtures that use an ED28 base and an H39 ballast. When installed in a compatible fixture, it can provide a reliable light source that helps maintain visibility in busy work or outdoor zones.

Key benefits

• Produces a strong, broad beam suitable for expansive spaces
• Delivers crisp white illumination that supports clear visibility
• Designed for straightforward retrofits in ED28 base sockets with H39 ballast
• GE branding offers a familiar option for industrial and commercial lighting needs

Practical uses and scenarios

• Warehouses and loading docks where wide area lighting helps with safety and efficiency
• Garage bays, workshops, and utility rooms requiring reliable daytime-like brightness
• Outdoor lighting in covered or sheltered areas that benefit from strong, steady light
• High ceiling or open space applications where a single bulb can cover a large zone

Note that proper operation depends on using a compatible ballast and fixture. Always follow fixture guidelines when handling high wattage lamps and during installation.