˙KG-33 made of borosilicate glass
˙The tube body is cylindrical and the bottom is conical
˙The scale is clear, and the amount of scale marking is equal to the amount of content
˙The scales, markings, and the writing area on the surface of the tube are all made of enamel
˙50ml centrifuge tube at 0~10ml scale is 0.5ml, 10~50ml scale is 1ml