Unique tabs protect your samples from loss and contamination.

• Polypropylene construction
• Keep tubes in place and caps closed when under pressure
• Autoclavable, 120 °C (250 °F)
• Securely holds tubes in water bath, ice bucket, or benchtop

Place tubes in slots and slide under tabs to keep tubes in place and caps closed when under pressure, floating or submerged. Use in water baths, ice or on the benchtop. Fits standard 100 mL beakers and holds twelve 1.5 mL or 2.0 mL microcentrifuge tubes in numbered locations. Optional/removable vortexing attachment saves time by letting you vortex all samples simultaneously in the rack. Autoclavable polypropylene. Patent Pending.