The Krueger Level Gauge is a mechanical liquid level gauge designed for use on pressurized tanks and vessels. It features a bronze body and cover, with a polycarbonate sight glass that allows the fluid level to be visually checked. The gauge has female NPT process connections and is rated for pressures up to 250 PSI and temperatures up to 250°F. This heavy duty industrial gauge can be used on various liquids including water, oils, chemicals, solvents and more. It provides an economical way to monitor tank or vessel fluid levels.