High efficiency centrifugal fan delivers 70 CFM, 1.5 Sones. • Trim matched to designs of major recessed light manufacturers • Multiple units can easily be used in larger rooms. • 14 watt 4-pin R30-shaped fluorescent bulb included. • 6 7/8" high housing appropriate for new construction and 2" x 8" ceiling joists. • 4" round duct connector. • Not for use over cooking surfaces. • Optional wall control switches available. • UL Listed for use over bathtubs and showers when connected to a GFCI protected branch circuit.