Introducing the GROCO 4-Port Tank Selector Valve, model FV-450-X, designed for seamless fluid management in marine applications. This durable valve features a robust 1/2-inch port size, allowing you to easily switch between multiple tanks with precision. Crafted from high-quality materials, it ensures longevity and reliability even in harsh environments. The user-friendly lever mechanism simplifies operation, making it ideal for boaters who need quick access to fuel or water tanks. Upgrade your vessel's plumbing system with this essential component for efficient and hassle-free tank selection!