Air pump suitable for small to medium sized ponds (up to 3000 liters) complete with two air stones. Oxygenates pond water in sunny weather when oxygen levels are depleted. 2x 6.5ft: 2m tubes and air-stones. Operates in direct sunlight. Powered by a separate solar panel (supplied). Multi fixing panel holder. 10ft: 3m cable to solar panel. No wiring simply install and enjoy. Air flow rate 180 l/h. No operating costs. 7.09 in. W x 7.68 in. D x 4.72 in. H (3 lbs.).