Downlighting Fluorescent Recessed Housings: Housing Type - Fluorescent Downlight; Number of Lamps - 1; Lamp Watts - 42W; Lamp Type - 26/32/42TTT; Lamp Position - Horizontal; Nominal Aperture - 6" Round; Installation - New Construction; Ceiling Type - Non-Insulated; Air Rating - Non-Airtight; Voltage - 120-277V; Ballast Type - Electronic; Depth - 6.50" (165mm); Ceiling Opening - 6.38" (162mm); Manufacturer Series - Portfolio