8PCS PP Buckets: Our DWC hydroponic system is equipped with 8 buckets made of high-quality PP material for long-lasting use. Each plant bucket features a 5" basket and can hold up to 5 gallons, large enough to help you grow multiple plants at a time. Powerful Air Pump & Air Stone: Air Pump Voltage: AC120V 60HZ. Air Pump Power: 10W. Air Flow: 25 L/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. User-friendly Design: 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. Complete Hydroponic System: The DWC bucket system is easy to use with complete accessories, including 8 planting buckets, 12 m air hose, 1 set of connectors, 8 water level devices, 8 check valves, 8 air stones, 1 air pump, clay pebbles, and 1 instruction manual. Wide Application: You can enjoy fresh vegetables and fruits with our DWC system. It is suitable for the grow tent, greenhouse, garden, balcony, office, home, and other indoor or outdoor places without soil.