Intex Krystal Clear Saltwater Filtration System for $129.00 shipped. Here is a screenshot for your reference. Alternatively, it is available at Amazon for $129.00 shipped. The saltwater system keeps pools clean without the need for packaged chlorine, features 1,650 GPH flow rate, and a built-in GFCI to shut off pump if electrical current comes into contact with water. Most places have it for about $199.