1、MAIN FUNCTION: The in line sight glass with clamp end is convenient for observing the flow and response of liquid, gas, steam, etc. in the pipeline. 2、EASY OBSERVATION: Straight sight glass is full hole design, the flow indicator provides 360 degree observation of fluid flow in any direction. Can be used in vertical or horizontal position. 3、304 STAINLESS STEEL: The sanitary sight glass is made from food grade 304 stainless steel, which is rust and corrosion resistance, ensures lasting durability. 4、SUITABLE MEDIUM: The applicable medium of this in line sight glass is water and oil, which makes it more widely used. 5、WIDE USAGE: Sanitary glass is specially designed for sanitary applications, can be widely used in the food, beverage and beer industries.