国产成人在线网站-毛片基地在线快伦片-色多多视频污-av色综合久久天堂av色综合-精品国产人妻一区二区三区-国产一国产二-少女逼逼-色丁香久久-天天干天天综合-毛片其地

FEATURE

• 
  

  High performance and energy saving by the automatic  speed adaptive DC frequency conversion technology.

• Extremely quiet in operation.

• Suitable for fresh and marine water.

• Suitable for immersible and land use.

• Motor epoxy-sealed andno copper element exposed.

• Ceramic shaft and sleeve, corrosion preven-tive and  long life .