Polypropylene will not break down with exposure to moisture and heavy use; autoclavable polypropylene construction; use at -80°C to +121°C (-112°F to +249°F)
Keeps vials organized: 81-place 9 x 9 row boxes hold 0.5, 1.5 and 2.0ml tubes and cryo vials
Feature molded grid lines on the lid, imprinted coordinates on the base and a molded reference point on the lid.