MODEL NUMBER PY-500 WATER FLOW 500 LPH - 2000 LPH PRINCIPLE FUNCTION PLACE OF ORIGIN ELECTRODE ELECTROLYSIS ACID-BASE ADJUSTMENT TITAMIUM (PLATINIZED) PH RANGE 4.5 pH - 9.5 pH ORP 700 TO-700mv PLATE SIZE 154 X 74 X 0.5 MM MACHINE SIZE 54 X 24 X 22 INCH WEIGHT 80 KG PACKAGING NEUTRAL WOODEN CASE WATER SOURCE VOLTAGE ELECTRIC AC 220-250 V, 50-60 HZ PLATES 24 TO 84