Reflex level gauge glass is made from borosilicate glass and aluminosilicate glass. There are grooves on the side of the glass surface facing the medium. Generally, the number of grooves is 3 or 4. It is used in industrial boiler level gauges to display and read the level. The groove makes the reading clearer. 

By Hengshui Aohong Technology Co., Ltd, it is built to meet the demands of industrial boiler operations. Designed with borosilicate and aluminosilicate glass, it lasts long and is gives heat resistance. That is why it is suitable for high-pressure environments. Its unique groove design improves readability by providing clear liquid level visibility, even under challenging conditions. Typically featuring 3 or 4 grooves, this reflex level gauge sight glass improves operational accuracy.