1, Super silent 2, Core technology 3, Use safety 4, Easy operation 5, High precision filtration ... and SILENT CABINET as option24 months warrantyCE certificate ADVANTAGES:1, SUPER SILENT. Low working noise, keep quiet working environment. 2, LOW ... free design, no lubrication oil needed during operation.4, CORE TECHNOLOGY. Diamond hardness cylinder ensure durable working performance.5, FASHION AND ...