4X Plastic Test Tube Rack for 30mm Tube, 21 Well, White,Detachable (21 Hole)

Accept 30mm diameter test tube and 50ml Centrifuge tube
Detachable Plastic Test Tube Rack
21 holes, 30mm diamater
Easy to carry and clean
White Color

This items is an economical and space-saving rack for individual student use or single applications.
Each rack features end plates for labeling.
Three-tier design permits convenient insertion and removal of tubes.
Rows are numbered and lettered for tube

Package Contents:
4x test tube rack

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.