0-100 PSI BRASS SOCKET CONNECTION: 1/4 NPT BACK POLYCARBONATE WINDOW PRESSURE GAUGE 0-100 PSI, BRASS SOCKET, CONNECTION: 1/4 NPT BACK, POLYCARBONATE WINDOW, PRESSURE GAUGE, SIZE = 2 1/2", STEEL CASE; Part Number: 25W-1005-H-02B-100; Category: Controls & Indicators; Subcategory: Pressure Gauge