32 31 Used for 2 to 3 seasons. When not in use, the main unit is cleaned, and all moisture is thoroughly removed before storage. The inside is dirtier than the outside. Also, the power cords were used at different lengths depending on the location: One was about 31 cm long, and the other was about 32 cm long. The shipping method is as shown in the photos. Please feel free to ask if you have any questions.