Test Tube Holder, 40-Hole Stainless Steel 304 40 Holes Test Tube Rack Large Capacity Double-layer for Chemical Laboratory(18.5 * 40mm) - Product Features
Very user-friendly design for better using experience.
The seal is doing very well and the test tube will not fall out.
Test tube rack is the most basic experimental instrument in the dry test tube of chemical laboratory.
A total of 40 small holes, double-layer design, very large capacity.
Made of stainless steel for longer service life and durability.
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