国产成人在线免费观看I国产一级在线看I欧美日韩18I亚洲国产成人精品在线观看I爱射综合Iav不卡免费在线观看Ia视频免费Iav再线观看I久久精品3I欧洲在线免费视频I欧美电影在线观看I久久国产区

FEATURE

• In-line installation andlower water suction.

• Flow Gradient Mode(AUTO): Power, flow and head are changedupand downincyclesIdealfor modernlandscape construction.

• Multistage water flowis adjustable by regulation modes tomeetdifferent demands；

• High-effect and energy saving byDC frequency conversiontechnology

• Six-pole three-phase motor driving, stable and silentrunning；

• Multi protection functions by the single-chip build-in computer.

• With high-quality ceramic shaft and bearings, suitable for fresh and sea water.