8x8 configuration is designed to accommodate 0.5mL
microtubes on one side and 1.5mL and 2.0mL microtubes on the reverse
side. Polypropylene racks can withstand autoclaving and freezer storage
down to -90°C. Alpha-numerics identify each well. Autoclavable
polypropylene cover (sold separately) snaps on securely to aid in
transport and storage. Natural color racks; translucent covers.