Holds 12 each 5 ml microcentrifuge tubes, 12 mm in diameter. Overall dimensions (w x d x h): 2.0 x 5.0 x 2.5" (51 x 127 x 64 mm).
Blue anodized aluminum blocks hold tubes upright and promote conduction of heat or cold from the Temp-Zone area on selected models of Purifier Cell Logic Biosafety Cabinets to help maintain sample temperature.