4-stage Portable Countertop Reverse Osmosis RO Revolution Water Purification System, 75 GPD, remove fluoride, build in USA 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. Reliable 4 stage RO Water Purification System with 75 GPD RO membrane This RO System delivers approximately 3 gallons of pure water per hour. Build in USA. 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. 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%). Instantly transforms tap water into healthy, top quality, fresh drinking water Can be connected to kitchen faucet, bathroom faucet or garden/laundry outlet. Less than 60 seconds to install No any plumbing job or permanent fixture required 8-12 months or 1000 gallons Cost  less than 3 per gallon 3 gallons of drinking water per hour State of the art 4-stage Reverse Osmosis filtration Removes more than 200 contaminants Removes all major dangerous contaminants, including chlorine, chloramines, viruses, bacteria, arsenic, asbestos, VOCs, pesticides and etc. Designed and Assembled in USA (California) <span class="a-text-bold">1st stage:</span> 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. <span class="a-text-bold">2nd stage:</span>Premium USA made 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 removes chlorine, chloramine, pesticides and herbicides, benzene, trihalomethane (THM) compounds, radon, solvents and hundreds of other man-made chemicals found in tap water. <span class="a-text-bold">3rd stage:</span>Premium High Rejection TFC type Reverse Osmosis membrane (made in USA). 97%-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. <span class="a-text-bold">4th stage: </span> Premium Quick-Connect T33 coconut shell activated carbon filter. The last stage removes any potential remaining unpleasant tastes