RPI Cryogenic Storage Racks, 81 Tube Capacity, Black, 2 Per Case

Durable alternative to disposable cardboard boxes. PopuLar 5 1/4 inch square box fits standard freezer storage racks. Rack features 9 x 9 grid array and accommodates micro-tubes (1.5 ml, 2.0 ml) and cryogenic vials (1.0ml, 1.2 ml, 2.0 ml). Manufactured from polypropylene that withstands temperatures down to -90°C. An alpha/numeric index is permanently stamped on the box in large easy to read characters. Clear lid has two frosted writing panels.