Tube Rack Dispenser 4-Tier 15.5X 5.5 X 20.75in^ Tube Rack Dispenser, 3-Tier, Dimensions: 15.5 X 5.5 X 20.75in, Nine compartments to organize and store tubes, Holds all sizes of tubes, up to 210 tubes, See-Thru for quick sorting by tube type, or cap, Constructed from durable 3/16 acrylic