Lucci Air Abyss downrods come in a variety of lengths to customize your ceiling fan based on the height of your room. Setting your Lucci Air ceiling fan at the proper height allows for maximum performance. The bottom of the fan should be at least 7-feet from the floor. 8 to 9-feet is the recommended standard for optimal circulation. Lucci Air downrods are non-threaded with set screws and cross pin for added security and stability. For angled ceilings please check the instruction manual for the maximum angle allowed with the canopy included with your Lucci Air Abyss ceiling fan. A general guide to choose the correct downrod for your ceiling height is: 8 to 9-foot ceiling, 6" downrod; 10-foot ceiling, 12" downrod; 11-foot ceiling, 18" downrod; 12-foot ceiling, 24" downrod; 13-foot ceiling, 36" downrod. 14-foot, 48" downrod; 15-foot, 60" downrod. This downrod can only be used with Lucci Air Abyss ceiling fan. It is not compatible with other brands. Features: Compatible with Lucci Air Abyss ceiling fans 1 inch diameter steel pipe for strength and durability Multiple finishes to precisely match our Lucci Air Abyss ceiling fans Multiple sizes to customize the height of your Lucci Air Abyss ceiling fans Non-Threaded - set screws and cross pin application Drilled holes for proper electrical grounding This product will ship to you in one (1) box.