Danco MO-5 Cartridge Repair Kit for Moen Single Handle Faucets efficiently addresses leaks in your Moen single-handle faucet. This 3-piece kit is designed to restore a leaky faucet by replacing worn-out o-rings, eliminating leaks around the spout base. I for single-handle faucets, the kit ensures a better seal and prevents water leaks, providing a cost-effective to replacing the entire faucet fixture. With two sizes of o-rings, this assortment is a practical solution to save water and energy by stopping those bothersome leaks. Model Number: 80502