Polyethylene valve box

NDS Pro-Spec Series water valve boxes have thicker walls, reinforced covers and ribs, and NDS Pro-Spec Series are engineered for heavy-duty use. NDS® Standard Series round valve boxes are lighter than the NDS Pro-Spec Series, yet designed for longevity. Available in a wide variety of sizes, colors and designations, all NDS boxes and lids contain UV inhibitors for sustained durability and performance in direct sunlight. Overview NDS Pro-Spec Series water valve boxes have thicker walls, reinforced covers and ribs, and NDS Pro-Spec Series are engineered for heavy-duty use. NDS® Standard Series round valve boxes are lighter than the NDS Pro-Spec Series, yet designed for longevity. Available in a wide variety of sizes, colors and designations, all NDS boxes and lids contain UV inhibitors for sustained durability and performance in direct sunlight.