Automatically activates during bilge water accumulation, providing protections for yachts, sailboats, and small watercrafts in harsh saltwater environments Enables easy installation, while lightweight engineering minimizes weight without sacrificing marine grade durability Its construction houses a impeller for rapid drainage and a filter systems that simplifies debris cleaning while ensuring uninterrupted marine Designed for boat owners, fishing enthusiasts, and marine professional seeking low maintenance water management solution in confined engine compartments or vessel bilges keep your bilge dry with this automatic pumps, featuring a built in float switches for operate and 750GPH / 1100GPH high flows capacity to combat flooding risks, Manufacturer: ZBIianxer