日韩高清avI91丨九色丨国产丨人I亚洲无码2区I91成人色情在线视频I色777网站I先锋无码专区I999999精品I影音先锋四区I丰满人妻一区二区三区10I久久无码不卡

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.