feature: 1,borosilicate glass 3.3 with excellent physical and chemical properties.
red glasses case,stereoscopic glasses,blue tint glasses,double flip glasses,flip glasses sunglasses,male glasses styles,red designer glasses,dark red glasses,atv riding glasses,biking glasses. 2,rugged steel-reinforced ptfe stirrer with anchor agitator which is suitable for a wide range of material viscosity.syi 6,explosion-proof type is optional. 3,frequency-conversion stirring system.