成人在线观看免费 I 天天射天天草 I 日韩一级影片 I 日韩 欧美综合 I 男女激情啪啪 I 在线观看视频毛片 I 一级在线毛片 I 草在线视频 I 在线精品一区 I 国产精品色呦呦 I 亚洲AV无码乱码国产精品牛牛 I 老牛影视av牛牛影视av I 青青色在线 I 亚洲在线视频一区二区 I 玖色视频 I eeuss一区二区三区 I 五月婷婷操 I 又粗又黑又大的吊av I 人成在线观看 I 老司机午夜视频 I 女性隐私黄www网站视频 I 婷婷精品国产一区二区三区日韩 I 老妇裸体性激交老太视频 I 大陆国语对白国产av片 I 精品视频久久 I 欧美一区二区三级 I av福利网站 I 男人天堂一区

FEATURE

• Using permanent magnet synchronous motor as drive, energy saving and long service life;

• The pump shaft is made of stainless steel, wear-resistant, non-corrosive, and can be used in fresh water and sea water;

• The motor is potted with resin in the casing, which has good waterproof performance, high insulation strength and reliable use;

• Multifunctional design, one machine with multiple functions-pumping fountain and filtering three in one;

• The equipped fountain tube is beautiful in appearance, easy to assemble, and the large and small pumps are universal.