亚洲中文字幕一二三四区苍井空丨一色屋精品视频在线观看丨亚洲人成伊人成综合网久久久丨欧美 日韩 国产 另类 图片区丨偷柏自拍亚洲综合在线

FEATURE

• Water flow stepless adjustable to meet different demands.

• High performance and energy saving bythe automatic speed adaptive DC frequency conversion technology.

• Extremely quiet in operation.

• Suitable forfresh and marine water.5.Suitable for immersible and land use.

• Motor epoxv-sealed and nocopper element exposed.7.Ceramic shaft and sleeve, corrosion preventive and long life.