Description: Retrofit your existing interior drum unit or canopy with the Metal Lighthouse Retro Pack Mark 3! Ideal for units with steel pans and reflectors, these Retro Packs use magnets for installation, greatly reducing the install time! Designed for enclosed fixtures, these units can be installed in ceiling drums and canopies, wall packs, area lights, and sealed flood lights! Concealed driver minimizes dark spots and angular design emits light from multiple planes! Made in the U.S.A.