Holds 18 each 0.5 ml microcentrifuge tubes, 7.5 mm in diameter. Overall dimensions (w x d x h): 1.5 x 6.0 x 1.3" (38 x 152 x 32 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.