1,Microcrystal Glass Faceplate 2,High Quality Crystal Plate 3,Stainless Steel Suitable for factory, school, ... protection: no flame, no dust, exhaust no pollution air, ultra low noise design (below 45 db), optimized kitchen environment;Safety ... structure,Beautiful appearence: stainless steel seiko meticulous humanized design, high-grade durable, easy to clean,Durable: 430 durable stainless ...