REVERSE OSMOSIS SYSTEM CLASSIC WITHHQ+ MEMBRANE 75 GLD + CLEANING VALVE - 12 LT/HAquili HQ + membranes The membranes characterized by the acronym HQ + (High Quality Plus) represent the latest generation of osmotic membranes that synthesize all the technological innovations of recent years. They are membranes with a high salt retention rate, in fact they are able to retain up to 99% of the dissolved salts. These values, until recently, were achieved only by the best industrial membranes with very high costs and with operating