SEAFLO12V Electric Marine Submersible non-automatic 5000GPH 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 you’ll have no problem changing to us from them.