Classification:Laboratory Cylinder Material:Boro 3.3 glass Capacity:5-2000ml Certificate:CE,ISO Color:Clear,Transparent SpecificationsGraduated Cylinder 1. By high 3.3 boro glass with blue, brown or white graduations2.round bottom3.Good quality4. Different size are available5. Clear,Transparent,Easy to read6. Profassional manufactyre graduated cylinder