Remington Solar Chlorine-Free Sun Shock Water Purifier Reduce the need for chlorine by 80%. No more bleached hair or bathing suits, dry skin or itchy eyes Ultra-low maintenance. Powered by environmentally friendly solar panels with no expensive batteries to replace. Handles pools up to 22,000 Gal(Get 2 for more than 22,000 Gal.). Includes: Base unit, anode, wire cleaning brush, debris basket and copper testing strips