"This complete Sunforce Tower Kit is designed for use with 400 Watt wind turbine Item# 39365, 400 Watt marine grade wind turbine Item# 21172, or 2000 Watt marine grade wind turbine Item# 49644, sold separately. Designed to withstand forces on the wind generator and tower from high, heavy winds. Includes everything needed for installation see below. Fully assembled tower is 30 feet high. For best results, optimal topographical conditions and sight lines should be considered prior to purchase. Please note that wind turbine yaw shaft construction may vary and affect mounting procedure for any wind turbine other than Item# 121071. Accessory Type Mount kit, Assembly Required Yes, Product Style Tower, Height in. 348, Compatible With Sunforce 400 W wind turbine and 400 W or 2000 W marine grade turbines Item#s 39365, 21172 & 49644, sold separately, Weather Resistant Yes. Includes 6ft. x 1 5/8in. flared pipes x4 6ft. x 1 5/8in. straight pipes x3 3ft. x 1 5/8in. flared pipe 3ft. x 1 5/8in. straight pipes x2"