75 GPD with super DI/T33 filter. The Reverse Osmosis Revolution System easily attaches to your kitchen faucet without the need for plumber. 4-stage Reverse Osmosis Water Purification System for aquariums:

1st stage: Premium Quick-Connect 5 micron sediment filter. Dust and rust particles are trapped here in a filter which also extends the life of the system and the membrane.

2nd stage: Premium Quick-Connect T28 coconut activated carbon filter - VOCs (volatile organic compounds) and other common chemicals are removed from the water in this stage. This filter also removes chlorine, cloudiness, offensive odors, colors and unpleasant tastes. Made in USA.

3rd stage: High Rejection TFC type reverse osmosis membrane. 95%-99% of total dissolved solids (TDS) and other elements are removed in this stage. Arsenic, fluoride, lead, chromium, radium, viruses, bacteria, and other unhealthy contaminants are removed from the water. 75 GPD capacity.

4th stage: Produces ultra high quality water with deionizing mixed bed polishing filters. This stage produces exceptionally clean water with a minimum TOC background. Build in USA.

pure/waste water ratio: 1/2.5
Manual: https://www.reverseosmosisrevolution.com/installation.html
Change filters every 8-12 months.

Replacement filter set:
http://www.amazon.com/gp/product/B00N8G6X04

• The Reverse Osmosis Revolution System easily attaches to your kitchen faucet without the need for plumber. Ideal portable solution for your apartment, home, RVs, aquarium or during your travel time.
• Ideal for freshwater aquariums. Comes with chrome metal 2-way diverter for kitchen faucets by default. Fit 96% of all kitchen faucets (female or male type of spout). If you want to connect RO to garden/laundry hose, you will need specify that in Customer Notes. We will replace 2-way diverter with garden/laundry hose adapter.
• This RO System delivers approximately 3 gallons of pure, fresh water per hour. Build in USA.
• 12 months Manufacturer warranty on parts.
• Elements and the Percent Membranes will remove: Arsenic (93%-96%), Aluminum (86%-90%), Bicarbonate (90%), Cyanide (93%), Chloride (85%-92%), Calcium (94%-98%), Sodium (86.5%-93%), Sulfate (96%-98%), Potassium (84%-95%), Barium (95%-98%), Iron (94%-98%), Nitrate (60%-76%), Mercury (94%-98%), Zink (95%-98%), Selenium (94%-96%), Lead (95%-98%), Phosphate (94%), Magnesium (98%), Fluoride (82%-92%), Nickel (96%), Cadmium (96%), Detergent (97%), Herbicides (97%), Insectecides (97%), Strontium (96%).