1PCS Lab Stainless Steel Wire 40 holes or 50holes Centritube Tube Holder Test Tube Rack for DIA 13/16/17/19/21/26/30/32mm Tubes

1PCS Lab Stainless Steel Wire 40 holes or 50holes Centritube Tube Holder Test Tube Rack for DIA 13/16/17/19/21/26/30/32mm Tubes

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