This Advanced Drainage Systems COREX Heavy-Duty Locking Sump LidGo to product viewer dialog for this item. is designed to securely cover and seal standard 18-inch sump pump basins or liners. Manufactured from durable, high-density polyethylene (HDPE), it provides excellent resistance to corrosion, impact, and wear. The lid features a unique partial-turn locking design for simple, secure tool-free closure while keeping out dirt, debris, children, and pets. Pre-molded knockouts and integrated housings are included to accommodate discharges, vents, power cords, and self-tapping screws for seamless customization. This item is in used-fair condition, showing visible signs of prior use but remaining fully functional

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