HALO H99ICT 4-Inch Air Tite Recessed Light Housing IC-rated 4-inch-aperture housing for recessed downlighting For new construction installation where insulation will be in direct contact with housing Air-Tite housing stops airflow between attic and living space Aluminum construction helps housing dissipate heat; galvanized steel plaster frame 1-year warranty; requires 1 120-volt incandescent lamp (not included)