The aerator,only made of three major parts of pottery aerator,aerate screw and cap is simple in structure and of easy assembly.There is a very small sealed area.

• 结构简单、组装方便。整个曝气器仅由陶瓷曝气头、通气螺杆、螺帽三个主要部分组成，密封部位面积极小。