Twdrer 25 PCS 50ml Clear Plastic Graduated Conical Centrifuge Tubes with Screw Caps and Rack for Scientific Experiments

Package included: 25 PCS 50ml Clear Plastic Graduated Conical Centrifuge Tubes with Screw Caps Material: Made of high quality plastic material,safe,durable and sturdy Size: The tube: 29mm x 120mm,volume: 50ml,hole diameter of test tubes rack: 31mm,25 holes Screw caps: The cap can be closely screwed to the centrifuge tube which has great performance of sealing and prevent liquid leaking effectively Detachable centrifuge tubes rack: Please be CAREFUL when installing the test tube rack on account of the test tube holder is a little fragile Graduated Vial Tube: It is easy for you to read the accurate liquid volume on account of its body has accurate calibration Ultra-low temperature resistance,which can be frozen for a long time High quality,more quantities,but more inexpensive prices,make every dollar worth it