The Reliable 2 1/2" Butterfly Valve Fire Sprinkler REL363GT is a top-of-the-line fire protection equipment designed for use in commercial and industrial facilities. This sprinkler head, made by Reliable, is specifically designed for fire protection systems and is reliable in providing water flow in the event of a fire emergency. With its model number 363GT and capacity to hold 1 gallon of water, this sprinkler valve is a valuable addition to any fire protection system to ensure safety and protection in the event of a fire.