Manufacturer: Krueger Sentry, Manufacturer Part Number: B-30-.75The Barrel Gauge Type B is a reliable, swing arm type drum gauge used for measuring all types of liquid levels. Its simple mechanical design promotes durability, minimal upkeep, quick installation, and easy/inexpensive repairs. Standard Barrel Gauge Construction – Plastic Calibration, HDPE Lock Nut, Duro Nitrile Gasket, Aluminum Bushing, Galvanized Steel Rods, Nitrophyl Floats. This is a Barrel Gauge for a 30 gallon drum, .75" NPT opening.

Manufacturer: Krueger Sentry, Manufacturer Part Number: B-55-.75The Barrel Gauge Type B is a reliable, swing arm type drum gauge used for measuring all types of liquid levels. Its simple mechanical design promotes durability, minimal upkeep, quick installation, and easy/inexpensive repairs. Standard Barrel Gauge Construction – Plastic Calibration, HDPE Lock Nut, Duro Nitrile Gasket, Aluminum Bushing, Galvanized Steel Rods, Nitrophyl Floats. This is a Barrel Gauge for a 55 gallon drum, .75" NPT opening.