In addition, {TAIL ~ water} from the pool is subjected to dust removal through the filter and then introduced into the sterilizing chamber wherein the water is sterilized and deodorized by {HEAD ~ the ozone bubbles} 
In addition , { TAIL ~ water } from the pool is subjected to dust removal through the filter and then introduced into the sterilizing chamber wherein the water is sterilized and deodorized by { HEAD ~ the ozone bubbles }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD