Hydro Logic Stealth-RO150 Reverse Osmosis Filter, 150 GPDStealth RO150 from Hydro Logic Give your plants the clean water that they deserve! The Stealth RO150 is a customized Reverse Osmosis water filter that is capable of reducing up to 99% of most contaminants. This system is designed for use with hydroponic or horticultural applications. Built to give the maximum amount of flow from the membrane while sneding less waste water to the drain, compared to similar RO filters. The Stealth RO150 Reverse Osmosis