The replacement Hard Water Filter for the Sauber Dual Steam Plus Steam Mop is an essential component designed to protect your steam mop by reducing mineral buildup from hard water, ensuring efficient steam production and extending the mop’s lifespan. Specifically crafted for the Sauber Dual Steam Plus model, this high-quality filter prevents limescale and mineral deposits from accumulating in the water tank and internal components, maintaining optimal steam output. Made from durable, effective filtration materials, the hard water filter is easy to install and replace. Regularly replacing your hard water filter will keep your steam mop performing at its best and ensure reliable, long-lasting operation.