The LT Series is primarily designed as a Retrofit Kit to convert existing fluorescent troffer fixtures to LED. Several sizes exist within the LT Series in addition to several choices for the number of LED Modules. These choices help in matching the appearance of an existing fluorescent lamp configuration, or aligning with the cells behind a parabolic louver. The LT Series is a formed pan that is easily installed by tek screwing the kit into the back of the existing housing.