Uses Three 13 Watt Compact Fluorescent Bulbs (Included). Appropriate for ceiling heights of 8 foot and greater 7.5-Inch W x 2.6-Inches H Compatible with all Hunter "51XXX-55XXX" Series Model number Ceiling Fans CFL bulbs last up to 10 times longer, use about 75% less energy and save about 60 over the life of the bulbs