Kona Model 817 The only weatherproof fan on the market! Rated at IP55, the model 817 Kona 12 Volt fan is designed to hold up in the most demanding marine conditions. Featuring a watertight motor and constructed of extruded aluminum, UV stabilized plastic and stainless fasteners the Kona is ideal for environments such as the wheelhouse dash or an exposed bridge or cockpit where splash and spray would spell disaster for other fans. The 3 speed motor allows for any on-board task. The standard light