The T&S Brass B-0968-RK01 Vacuum Breaker Assembly is designed for efficient repair and maintenance of your vacuum breaker system. This kit features a 3/8" NPT size and includes essential components: two screws, two o-rings, a piston, and an insert. Each part is crafted for durability and reliability, ensuring optimal performance and preventing backflow in your plumbing system. Ideal for restoring functionality, this repair kit is a practical solution for maintaining your vacuum breaker assembly.