午夜三级福利I 精品在线观看视频I 免费在线观看中文字幕I 伊人成人久久I 国产日韩欧美视频在线观看I 婷婷激情小说网I 色资源网免费观看视频

FEATURE

• With external regulator of button control and digitaldisplay. Easy operation.

• Water flow adjustable. Suitable for different demand.

• With six-pole three-phase motor driving, strongstartingtorque, steady operation and super quiet.

• Single chip control with multi protection functions.

• With high quality ceramic shaft and sleeve. Suitablefor fresh & sea water, working submersible and in dry.