For use in existing ceilings. Integral flange on housing and exclusive locking bars permit quick mounting in ceilings from 1/2" to 1" thick. UL and CUL listed for damp locations. Remodel recessed lighting housing. Shallow design for use in 2x6 construction typically found in 2-story homes. Integral locking clips permit quick installation in ceilings. UL and CUL listed for damp locations and through wiring.