Great performance at a value price, Rule submersible pumps are the first choice for many boat manufacturers. Their motors feature stainless-steel shafts, water cooling and a vibration-free centrifugal impeller that wont burn out if run dry. Strainer bases can easily be snapped off for cleaning. Each pump requires a panel switch for manual operation or a float switch for automatic operation.Select from 12V, 24V and 32V models Can run dry without damage.