PRODUCT FEATURES 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. 1" FPT PORT Reviews Featured Products Hudson Float Valve - Installation Kit $12.33 Add to Cart Polypropylene Check Valve $14.03 Add to Cart BE 16" Whirl-A-Way Surface Cleaner- Floater $359.00 Add to Cart BE 20" Whirl-A-Way Surface Cleaner- Floater $379.00 Add to Cart