Centrifuge Machine with 6 Place Fixed Angle Rotor Variable Speed up to 4,000 RPMCentrifuge Machine with 6 Place Fixed Angle Rotor Variable Speed up to 4,000 RPM. Variable Speed Centrifuge Quiet and simple to operate. Variable speed features a color coded panel for different settings. 6 place fixed angled rotor. 30 minute timer with bell. 300 4,000 RPM Sold Separately 18 Hole Tube Caddy C800 18 Packaged: Each Application Centrifuge Number of Places 6 Place Speed of Separation Variable Speed Up to 4,000 RPM Tubing Angle Fixed Angle