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