LiquaGen - 6 STAGE REVERSE OSMOSIS + DEIONIZATION 0 TDS WATER FILTRATION SYSTEM | 100 GPD Perfect for reef tanks,salt water/fresh water aquarium's & other applications where ultra-pure water is necessary. Pre - assembled system for easy installation. High rejection reverse Osmosis (RO) Membrane Capacity : 100 Gallons Per Day (GPD). Film by GE USA. Portable unit. Hassle free installation. MADE IN THE USA. In the box: RO system, garden hose adapter, drain saddle valve, color coded FDA approved tubing,filter wrench, automatic shut off valve, manual flush kit, and blue leak prevention locks.