Triton 200 GPD RO/DI Filtration System. The Triton line of aquarium specific water filtration systems, designed by Hydro-Logic Purification Systems, are built with one goal in mind: to deliver the highest quality, professional grade products, incorporating earth friendly designs and components. We strive to offer the tools for the serious aquarist needed to maintain the healthiest and most vibrant aquariums possible. * Reverse osmosis membranes remove 99% of contaminants - while final de-ionization state delivers 000 PPM water. * Ensure your aquatic life gets the purest water possible. * Highest quality components, top level engineering, earth friendly design. Units Include: * 1 micron sediment pre-filter * 5 micron earth friendly coconut carbon pre-filter * Mixed bed, color changing DI post filter * USA made TFC RO membranes * Powder coated aluminum bracket * Inlet pressure gauge * Membrane flush valve * Quick-Connect fittings * Color coordinated fitting collets and tubing * Automatic shut-off valve