Underwater test tube stand, white, for hole diameter 20φ x 40 stands [Specifications] <br>Product number: 566<br>Hole diameter: for 20φmm<br>Number of stands: 40<br><br>■Features<br>The material is made of specially reinforced polypropylene with a large specific gravity, so the main body will not float or move in the water bath. <br> ・可以是高压灭菌的，具有出色的耐用性。 <br> ・有三种可用的颜色：白色，红色和蓝色。请指定颜色。
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