Feature 1,Efficient and Energy Saving: Solar air pumps and aerators use solar energy to generate electricity, without the need for external power sources, which can greatly save energy consumption and make equipment operation costs low. 2,Eco Friendly and Noise Free: The solar air pump and aerator adopt a noise free design, which will not generate noise pollution and will not cause interference or damage to the ecological environment in the aquarium. 3,Maintaining Water Quality: Air pumps and bubble stones can increase oxygen, maintain dissolved oxygen content in the water, help maintain the cleanliness and ecological balance of the water, and reduce the accumulation of harmful substances in the water. 4,Adjustable Power: The 20W solar air pump can provide a stable oxygen supply, adapt to the needs of different scales of hydroponic and fishing activities, and can adjust the air flow output of the air pump. 5,Multi Functional Applications: Solar air pumps and aerators can be widely used in aquariums, ponds, reservoirs, and hydroponics, suitable for oxygen supply needs under different water capacity and environmental conditions. Item Type:Solar Pond Aerator Power: 20W Package List 1 x Solar Panel1 x Oxygen Pump 4 x Suction Cup Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia