This WET SPOT model is recommended for boats 100′ and up. (Depending on how hard water is, and usage). This WET SPOT is for extra-large and/or built-in applications only. Before you buy a WET SPOT SUPER model, please realize that it is difficult for most people to single handedly move on and off a docked vessel. Many clients have opted for two WET SPOT PLUS Models, instead of one WET SPOT SUPER model. Length 45" Width 7.25″ Height 10.5″ Weight 50lbs.