Unico Laboratory Organizers & Accessories Each 54500 by Unico GROUP: Lab Equipment & Accessories:Miscellaneous Products:Miscellaneous Item Description: T-Racks� Tube Rack, 50 Place, 13-16mm, Expandable Packaging Desc: Rack Tube 50 Place 13-16Mm Country of Origin: Harmonized Tariff Code: Product Description: