在线 精品 国产 I 国产黄色av I 国产精品福利在线 I 午夜精品999 I 久久一区二区三区超碰国产精品 I 综合色中文 I 成年人在线观看网站 I 国产打女人屁股调教97 I 亚洲国产精品成人女人久久 I 精品久久1 I 美女天天操 I 夜色资源站wwwcom

FEATURE

• Auto-clean design - hand squeeze cleaning structure.Queeze out the dirtfrom the sponges by squeezing andback flush to clean-out the dirt. Easy maintain.

• Fully sealed designit's allowed to place the productlower than waterlevel.

• Build-in UVC lamp can kill algae, virus and harmfulbacterium in the water .

• Nitrate, phosphate and any unnecessary nutrient in thewater may be degraded by multiple bio filter materialsincluded.