三节桌面抽气罩 Three desktop exhaust hood 万向抽气罩关节:高密度PP材质,可360°旋转调节放向,易拆卸、重组及清洗, Joint:Using high-density PP material, can 360°rotation to regulate, easy to disassemble, restructuring and cleaning 万向抽气罩关节密封圈:不易老化之高密度橡胶 Joint seals: Not aging of high-density rubber 万向抽气罩关节:连接杆304不锈钢 Joint: connecting is 304 stainless steels 万向抽气罩松紧旋钮:高密度PP材质,内嵌不锈钢轴承,与关节连接杆锁合 Tension knob: Using high-density PP material,embedded stainless steel bearings, closing with joint connecting rod 万向抽气罩气流调节阀:手动调节外部阀门旋钮,控制进入之气流量 Barometric damper: manual adjustment of the external valve knob, control access to the gas flow 万向抽气罩拱形/杯形集气置:高密度PP/PC材质 Arch / proculiform gas gathering set: Using high-density PP /PC material, 万向抽气罩伸缩导管:Φ75mmPP Telescopic tube: Φ75mmPP 万向抽气罩独有360°旋转装置:以固定架为中心最大活动半径可达1600mm Unique 360°rotating device: holder for the center, Max radius of action up to 1600mm 万向抽气罩固定底座:高密度PVC/PP材质,非粘接而成,模具注塑一体成型,牢度强,不脱底 Fixed base: Using high-density PP material, non - adhesive and mold injection form in one piece, fastness and undesquamated foundation