TrueNorth^® Cardboard Microtube Freezer Boxes

TrueNorth^® Cardboard Microtube Freezer Boxes, pk of 10, Holds 100 x 0.5 mL tubes

TrueNorth^® Cardboard Microtube Freezer Boxes, pk of 10, Holds 169 x 0.2 mL tubes