... 1.1/1.5 CE certificate small,light weight,little noise,easy to install diving depth and jet angle can be adjusted SJ-T-1.1/1 ... 110*53*15 ,43*18*19 Characteristic.1, the impeller is a propeller structure, has strong dynamic flow, ... , when the bubble burst , will produce a large number of anion, then water becomes clear ... after a few weeks, and achieves the function of ...