Authentic American machine built in California. IMPORTANT OPERATING PARAMETERS: For every gallon used, the system will reject 2-4 gallons of waste water depending on the quality, temperature, and pressure among other factors. This is a standard norm of all reverse osmosis products regardless of the brand or company. This can be reduced by adding a dual membrane, ERP Pump, or booster pump. 2. Min PSI for the system to work is 50 PSI. 3. Do not keep outside in freezing temperature.

• This product is great for aquariums, laboratory testing, and other applications where ultra-pure water is necessary.
• Pre- Assembled system for easy installation. Guaranteed 0 ppm water. No more running to your local fish store!
• High Rejection Reverse Osmosis (RO) Membrane Capacity : 50 Gallons Per Day (GPD). Film by GE USA
• 1 year manufacturer warranty; Lifetime customer support.
• NOTE: Auto shut off valve and check valve will only be included upon customer request (only needed if you plan to connect the system to a storage tank). Designed specially for customers who are buying an RO/DI for the first time. Extremely simply and easy to use!