The hydroponic system is made of high-quality PP material for long-lasting use. Each plant bucket can hold up to 5 gallons, large enough to help you grow multiple plants at a time. Air Pump Voltage: AC110-Volt 60HZ. Air Pump Power: 8-Watt. Air Flow: 4 x 4L/min. The air pump and air stone used for the deep water culture provide plenty of oxygen to each bucket via air hoses, helping to build a healthy root system faster. The recirculating deep water culture system is water-saving, labor-saving, and high-yielding. It features tight seals to ensure no leaks and inline check valves to avoid reverse flow. Besides, there is a water level device on the side of the bucket to allow you to observe the water condition at any time. The bucket system is easy to use with complete accessories. This hydroponic system enables you to cultivate fresh vegetables, herbs, and fruits virtually anywhere. Its efficient design makes it suitable for a variety of settings, including indoor grow tents, greenhouses, on balconies, in home gardens, or even in office spaces. It provides a clean, soil-free method to grow produce year-round, regardless of outdoor conditions. Color: Black.