United Scientific™ Test Tube Rack, PC, 18 Places For 25 mm Tubes

These polycarbonate racks with a 3-tier design provide clear view of the tube contents and convenient insertion and removal of tubes.

• Upper and middle plates are transparent.
• Beveled holes on bottom plate provide stability to standing tubes.
• Racks are autoclavable and can withstand sub-freezing temperatures.
• Available in 12-tube and 18-tube configurations, each able to hold tubes up to 25 mm in diameter.