The Martec Precision AC ceiling fan is built from marine grade 316 stainless steel, making it highly resistant to corrosion in harsh coastal and tropical environments. Available in 48", 52" and 56" blade spans. Its strong 75W AC motor and precision engineered blades with a 23 degree pitch deliver excellent airflow, while the sleek low profile design suits modern indoor and covered outdoor areas. Supplied with a 3 speed wall controller.