Keep your above-ground pool water clean, soft, and refreshing with the INTEX Krystal Clear Saltwater System. Comes with a saltwater system and a wall-mount pool skimmer.Its unique 2 stage technology uses an E. C.O. (electrocatalytic oxidation) process. The INTEX Krystal Clear Saltwater System requires a filter pump with a flow rate between 700 and 3,000 GPH and is for use with a maximum pool size of 7,000 Gal. It has an improved control panel with a digital display, easy access buttons, and an added power button for convenience.Save time and energy by keeping your pool clean as a whistle with the help of this INTEX skimmer. Attach this surface skimmer to your pool wall and watch the debris disappear. Once you mount it to your wall, attach it to your 800 GPH filter and watch it do its thing. It is made of durable, polypropylene plastic and is not affected by pool chemicals. The skimmer basket can be removed instantly and is easy to clean.Relax and swim away, because this INTEX Automatic Skimmer does all the surface cleaning in your pool.