The 5” & 6” LED DoB Retrokit Module & Trim kit with E26 medium base Adapter is designed for 5” & 6” IC/Airtight and Non-IC incandescent recessed downlights and has an optional GU24 adapter for CFL housings. Selection of interchangeable trim styles and finishes complement any design. It is designed for use with Lum-Tech models IH-520ICA, IH-620ICA, IH-520, IH-620, shallow IH-640ICA, IH-640 and most 5” & 6” housings certified under UL1598 standard.