The Grainger website offers a variety of liquid level gauges for drums and tanks. These gauges allow users to visually check liquid levels in their containers without having to open the container. Options include polypropylene and stainless steel construction, clear and frosted acrylic lens options, gauges with or without valves, and gauges designed for specific liquid types like diesel or chemicals. Overall these gauges provide a safe, efficient way to monitor liquid levels in drums and tanks across many industries and applications.