Air-Tite Halo Housing, Recessed, 6-In.7 1 2" h, 6 1 2" opening, integral thermal protected air tite recessed 6" halo housing, for insulated ceilings & direct contact with insulation, for use in 2" x 8" joist construction, adjustable socket bracket, junction box listed for through branch circuit wiring, 7 each 1 2" ko's, 4 each non metallic ko's with pry out slots & strain relief, plaster frame with locking screw for hanger bars, adjusts for ceiling thickness, pre installed captive