Storage Test Tube Rack Nalgene™ 40 Place 13 to 16 mm Tube Size White 4-1/2 X 11 Inch

Features

• Organize and store test tubes using Thermo Scientific™ Nalgene™ Polycarbonate General Purpose Test Tube Racks
• When empty, they can be stacked with any other racks of the same length
• Holes are keyed with molded-in numbers and letters for easy identification of tubes
• Higher specific gravity than water so it stays submerged in a water bath and won't float
• Autoclavable (will reduce strength over time)