Krowne 21-407 Washers for Royal Series Supply Inlets are designed to seamlessly replace the washers that accompanied the original faucet, ensuring a consistent and reliable performance over time. This product includes a set of 12 black washers, providing a comprehensive solution for maintaining optimal functionality in Royal Series faucets. These washers are specifically engineered to fit the supply inlets of the Royal Series, making them an essential component for both residential and commercial applications within the plumbing industry. Their precision fit and durable construction cater to a variety of market segments, including restaurants, hotels, and other hospitality sectors that rely on high-performance plumbing fixtures. By replacing worn or damaged washers with the Krowne 21-407 set, users can restore the integrity of their faucet systems, preventing leaks and maintaining water efficiency. This product’s compatibility with the Royal Series ensures that it meets the unique demands of these environments, where reliability and long-term performance are critical. The inclusion of 12 pieces per set offers users a cost-effective and practical solution for ongoing maintenance and repair needs, reinforcing the longevity and dependability of their Royal Series faucets.