The PRIER's Vacuum Breaker Replacement kit is designed to work with all Mansfield style 400 and 500 faucets. Manufactured by PRIER PRODUCTS INC, this kit includes the necessary components to replace the vacuum breaker in your industrial plumbing system. With the manufacturer part number 630-7500, this kit ensures a proper fit and reliable performance for your Mansfield style faucets. Trust in the PRIER brand to provide high-quality replacement parts for your plumbing fixtures.