1WIDE APPLICABLE: This liquid level gauge oil tank, lubricating device, cooling box and gear box display liquid level and necessary auxiliary is applicable to mineral oil, oil in water, water ethylene glycol and other working medium 2INTUITIVE DISPLAY: The liquid level meter has the characteristics of reasonable structure, novel appearance, clear display of liquid level and liquid temperature, full of three dimensional sense, equipped with parts, possess superior assembly performance 3EXCELLENT PERFORMANCE: Oil liquid level gauge meter has the advantages of firm, crack resistance, shock resistance, leakage proof, etc. 4SIMPLE TO REPLACE: Self sealing type liquid level gauge is based on the technical progress and optimized design of the updated products, in the addition of a self sealing valve, when the replacement or maintenance of the level gauge, just screw off the installation screw, the self sealing valve will close itself, cut off the oil circuit, do not need to release the oil in the tank can be used to lower the level gauge, very convenient to use and maintain 5TRANSPARENT GLASS DISPLAY: Sealing oil liquid meter is made with fine workmanship, has transparent intuitive display, can make sure durability and stability