Stainless steel freezer rack holds 15 mL tubes without the need for boxes. Each rack has two drawers.
Drawer Freezer Rack for SBS formatted boxes
search - USA Scientific, Inc
15 mL Conical Screw Cap Tubes, Greiner Bio-One - USA Scientific, Inc
Upright Freezer Drawer Rack for 15 & 50mL Tubes
Argos PolarSafe Upright Freezer Drawer Rack for 50 mL Centrifuge
UFD-442, Upright Freezer Drawer Rack. Life Science Products
Upright Freezer Racks, E942, Box height up to:95 mm, Rack Depth
CRYSTAL TECHNOLOGY AND INDUSTRIES Upright Freezer Rack, Mixed Use
Key Features Easily store large quantities of 15 and 50 mL centrifuge tubesSturdy corrosion-resistant stainless steel construction for long-term use
Cole-Parmer Essentials Upright Freezer Drawer Rack for 50 mL Centrifuge Tubes; 2 Drawers, holds 102 tubes
Cole-Parmer® Essentials Vertical/Chest Freezer Racks for 15 mL and