The Hudson Valve, with its new and innovative design, will solve your fluid control problems once and for all. This compact, virtually indestructible valve is well adapted to a wide variety of applications, from personal home use to large-scale industrial use. This valve is ideal for any application where it is necessary to control the level of fluid. The Hudson Valve's unique design has caught the attention of people in every type of industry where fluid control is necessary. The unique patented design of the Hudson Valve uses fluid pressure, as opposed to a lever arm and ball, as the force to close the valve. This compact, self-contained design greatly enhances the valve's reliability. The valve body is made of durable glass-filled nylon 6/6. Internal parts are of ABS plastic, silicone, and stainless steel. When properly installed, the valve will meet anti-siphon requirements. No lever arm No exterior moving parts Resistant to freezing Indestructible Installs in seconds No float ball High volume Anti-siphon Rust-proof