Non-automatic 1100GPH bilge pumps offer water evacuation activated by a panel or float switch. Include Anti-Airlock protection and exclusive moisture tight seals,marine grade blockd wiring.Our larger impeller design and more robust motor allow us to outperform our competitors. Our removable strainer base fits industry standard mounting conventions though, so youll have no problem changing to us from them.Availalble for DC 12 Voltage & 24 Voltage.