This BOD bottle rack has 12 places (3 x 4 rows) and designed to hold glass BOD Bottles. The rack is manufactured from corrosion- and chemical-resistant epoxy coated steel wire. Racks are stackable for storage or refrigeration. Fully autoclavable at 121°C (250°F). W x D x H: 12.5 x 9.25 x 7.25-Inches. Weight: 2.5-Lbs. Stacked racks allow for 7-inches of space between racks. Bel-Art® #: F169690012.