12v Submersible Transfer Pump - 12SP18 Suitable with diesel, biodiesel B30 & water to 80°C. Maximum Flow: 18 L/min. Length 145mm, diameter 47.5mm. 12V centrifugal submersible pump. 3m outlet hose (1/2"). (500 hour life expectancy). 4m long battery cable & clips. Weight 0.6kgs. Continuously rated for periods up to 1 hour. NOTE: DO NOT RUN DRY