Krueger Sentry B-55-2 Mechanical liquid level gauges that screw into the top of a 55 gallon drum with a 2 inch opening. Use only for simple, basic applications. Plastic calibration, HDPE Floats, Galvanized Steel Rods, Aluminum Bushing.
Krueger barrel gauges. These are top mounted, mechanical liquid level gauges that screw into the top of a 55 gallon drum with a 2 inch opening. These are swing arm style visual gauges. They do not measure gallons or inches; simply a reading of 1/8's or 1/4's of a drum. Real simple for basic applications.