| Wire element heater | 11" | Chrome alloy, wire element for instant heat | Low-profile housing extends only 2-3/4" from ceiling | Built-in fan disperses heat evenly | Automatic overheat protection | Permanently lubricated motor | Mounts easily to any standard 3-1/2" round, 4" round, or 4" octagonal ceiling electrical box | Minimum 15-amp circuit required