Gemco Laboratory Double Cone Blender-Model Cantilever Lab Blender- 2004 unit in good working condition. Unit comes with 4-interchangeable double cones, ranging from 1/8 L to 4L. 65 lbs/cf density rating.115V/1ph/60Cy electrics. Vessel speeds from 38-72RPM. Blender comes with removable plastic cover.