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