亚洲狠狠做深爱婷婷影院-国精品无码一区二区三区在线蜜臀-超清无码熟妇人妻av在线电影-国产十八禁啪啦拍无遮拦视频-国内偷窥一区二区三区视频

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.