The T&S Brass B-0458 is a vacuum breaker assembly. It is corrosion-resistant, making it last longer. This T&S Brass B-0458 Vacuum Breaker Assembly is 18-3/8 inches high. It has a 3/4-inch NPT vacuum breaker and 3/4-inch NPT male connections. It also includes set screws. It is easy to install and it is very useful in keeping your faucets in excellent working condition. It simply replaces the ones that came with your purchased faucet. The T&S Brass B-0458 Vacuum Breaker Assembly has a limited one-year warranty. For more details, you can refer to the specification sheet. T&S Brass provides high quality solutions for the food service, plumbing and institutional markets with exceptional customer service.