Outer Screw Tap should be mateched with Inner Screw Hexangular Screw Cap; Inner Screw Tap should be matched with Outer Connector.

• 水龙头是外螺牙的应配产品内螺牙六角帽并装上密封圈。当水龙头是内螺牙时应先装上产品外螺牙连接头，再装上产品。