Manufacturer # 584 Brand Select Manufacturer McKesson Brand Application Centrifuge Number of Test Tubes 6 Place Speed of Separation Variable Speed Up to 4,000 rpm / 1,850 x g Tubing Angle Fixed Angle Rotor Features Select Multi-Task High Speed Centrifuge SELECT Centrifuge is quiet and simple to operate. It features yellow-colored speed settings for urine and red-colored speed settings for blood. Other features a six placed fixed angle rotor variable speed of 300-4000 PRM maximum RFC of 1850G 30 minute timer with bell and accurate liner speed control. CLIA approved. Features yellow-colored speed settings for urine and red-colored speed settings for blood. Rotor speed can be increased or decreased within 1,000 to 11,000 RPM with the push of a button. Modern design incorporates advanced safety features Zero RPM Lid Lock and Auto Unbalance Detection. Large LED display provides real-time data to user. Fixed-angle rotator holds six tubes. 30-minute timer and color-coded speed settings help eliminate user error. Maximum RFC of 1850G. CLIA approved. Not Made With Natural Rubber Latex. Packaged Each 1 Each / Each