The EX39 base has a longer tip base. EX39 based bulbs can be used in fixtures with standard E39 or EX39 sockets. For Use with EX39 Base Socket. Type A – Used with CWA Ballast. Damp Location Rated. Cool, white light with 4000 Kelvin color temperature.

The product is a lot of 2 GE LED bulbs that have an 80 watts output and an EX39 base. These bulbs provide 11,800 lumens of light and have a color temperature of 4000K. They are designed for use in ANSI M58, M138, and M153 fixtures, offering bright and efficient lighting for a variety of applications. With the trusted GE brand and high-quality performance, these LED bulbs are a reliable choice for residential and commercial lighting needs.