[Size]: 2" 

[Quality Materials]: The Sanitary Straight Sight Glasses are constructed with SUS304 housing,Tempered Glass and silicone sealswhich is durable, stable, rust and corrosive resistance and good for long time using. 

[Precise Design]: Full bore design, cage protection type, Sight Glass Flow Indicators provides a full 360 to observe fluid flow in any direction. Can be used in vertical or horizontal position. It is convenient to observe in the pipe the flow and reaction of liquid, gas, steam, etc.

[High Working Temp. & Wide Range of Applications]: The Sanitary Sight Glasses are designed for high purity applications used in the food, dairy, and pharmaceutical industries. It is suitable for different media including water and gas with working at -40°F~248°F

[Convenient Organization and Storage]: Packed in a small carton with label.