GrowoniX EX600 High Flow Reverse Osmosis SystemGet pure water for your indoor hydroponic garden with EX600 High Flow Reverse Osmosis System. It uses highly advanced DOW membrane technology to reduce water wastage and ensure optimal performance. It is designed to eliminate harmful dissolved contaminants from water and unpleasant taste and smell. This RO system is also very easy to maintain and install anywhere on the wall. This RO filter has liquid filled pressure gauges made of stainless steel