Sand Filter&Carbon Filter&Softener
1.Sand Filter:Using quartz sand and gravel to removing all physical impurities larger than 10 micron by FRP or SUS tank with multi-port valve. 2.Carbon Filter:Using coconut-shell activated carbon to remove chlorine,odor&taste by a FRP or SUS tank with multi-port valve. 3.Softener:Using cation resin to remove salts of calcium iron,magnesium that may form scale encrustations by a FRP or SUS tank with a multi-port valve.