午夜黄色小视频_亚洲性免费_国产极品在线观看_九九成人_老司机免费精品视频_影音先锋在线播放_色av资源_四虎影库_欧美极品少妇xxxxⅹ喷水_日本美女交配_在线观看污视频网站_欧美日韩理论_俺也去网_日本欧美激情_免费看60分钟黄视频

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 .