Save time and effort finding the right size replacement cover for 10 in. valve boxes with the 10 in. SureFit Round Universal Valve Box Lid. Designed to fit round and misshapen valve boxes from more manufacturers than any other lid on the market. Engineered with flexible gripper prongs that bend and twist but won't break, even over time. Easy to install; push back the prongs and position cover on the box. The prongs flex into place, applying tension as they anchor onto the inside of the box. Structural ribs underneath provide support while optimizing the space inside the box, and cover has a built-in tab and knockout finger holes making it easy to lift without tools. Get the right fit for a variety of valve box brands with the SureFit lid.