SSS flange for pressure gauge suit for bottom connection Dial: 1.5", 2", 2.5", 3", 4", 6" Stainless steel material Three ho SS flange for pressure gaugeSuit for bottom connectionDial: 1.5", 2", 2.5", 3", 4", 6"Stainless steel material Three hole SS flange for pressure gauge with bottom conn.