... The floating ball mainly use in water treatment. The size from 10mm to 100mm are ... in a variety of horizontal storage tanks,water treatment and desalination water tank condensate storgae tanks,large degree ... of redution of acid mist,carbon dioxide and oxygen in the air pollution of water,to ... PMMATrackball,Ball valve,Bearing ball, Roll on ball,and so onHollow ball10mm-100mmPP,PE,HDPERoll on ball, ...