三节桌面抽气罩Threedesktopexhausthood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：Usinghigh-densityPPmaterial,can360°rotationtoregulate,easytodisassemble,restructuringandcleaning万向抽气罩关节密封圈：不易老化之高密度橡胶Jointseals:Notagingofhigh-densityrubber万向抽气罩关节：连接杆304不锈钢Joint:connectingis304stainlesssteels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Tensionknob:Usinghigh-densityPPmaterial,embeddedstainlesssteelbearings,closingwithjointconnectingrod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Barometricdamper:manualadjustmentoftheexternalvalveknob,controlaccesstothegasflow万向抽气罩拱形/杯形集气置：高密度PP/PC材质Arch/proculiformgasgatheringset:Usinghigh-densityPP/PCmaterial,万向抽气罩伸缩导管：Φ75mmPPTelescopictube:Φ75mmPP万向抽气罩独有360°旋转装置：以固定架为中心***大活动半径可达1600mmUnique360°rotatingdevice:holderforthecenter,Maxradiusofactionupto1600mm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Fixedbase:Usinghigh-densityPPmaterial,non-adhesiveandmoldinjectionforminonepiece,fastnessandundesquamatedfoundation)