Comes equipped with a hydrant cap, a liquid filled gauge, and a 3-way bleeder valve. These units are used to test static (non-flowing) pressure. Download Spec SheetTabsPart Table Part Number Size Configuration CAPGAUGE25-100 2½" F NST 100 PSI CAPGAUGE25-200 2½" F NST 200 PSI CAPGAUGE25-300 2½" F NST 300 PSI