日日碰狠狠丁香久燥-蜜桃精品成人影片-特大黑人娇小亚洲女-男女后进式猛烈xx00动态图片-中文天堂资源-中文亚洲欧美日韩无线码

FEATURE

• Combined type and easy disassembly for cleaning.

• Extralarge protein reaction chamber.

• Internalbubbles deflector.

• Multi-circle water level adjuster.

• DC frequency conversion technology, high efficiency and energy saving.

• Pin wheelimpeller makes more bubbles..

• Venturi tube with big air flow.

• Ceramic shaft and bushings, corrosion resistance, long life.