Krueger Sentry Gauge OFS3-1.5-25 Overfill Alert Gauge, 25" Item Depth, 1.5" Item Width, Stainless Steel, NPT Male, 1.5" Item Diameter
Stainless Rods, Stainless Steel Floats, Stainless bushing, Solid Glass Calibration, and aluminum lock nut for tank depth shown in part number.