The T&S Brass B-0929 Vacuum Breaker Assembly is constructed entirely of durable brass and features a heavy chromium plating for enhanced corrosion resistance. It includes a 3/8" IPS flanged female bottom inlet and a top outlet, designed with union couplings positioned at 3-3/4" centers. This assembly ensures reliable performance and longevity, making it an ideal choice for maintaining proper water flow and preventing backflow in various plumbing applications.