Rootngn is a family-owned business that specializes in providing quality hydroponic grow systems. Our goal is to provide our customers with the highest quality products at affordable prices. It is ideal for beginning gardeners who want to try their hand at growing vegetables but do not want to spend the time and trouble of installing a traditional system. Our system can be used indoors or outdoors on decks, patios or rooftops. Spraying oxygenated water on airborne roots creates the perfect environment for root growth and almost ensures perfect healthy growth and a balanced ph. Easy to clean, not glued together for easy disassembly. Rootngn dual-level sprayers 40mm pipes for water return 1m extension pipes bucket size: length: 291mm height: 292mm width: 260mm high-quality components dc12v smart pump -low noise -low operating temperature -large flow -automatically stops to prevent dry burning. Pump specification: -material: engineering plastic -size: 9.5 x 7.5 x 5cm. Max lift height: 3.3m. Suction diameter: 1/2bsp -outlet diameter: 1/2bsp -max output flow: 1000l/h. Box content: rootngn maxflow kit - 4 growing buckets, 4 rootngn duo level sprayers, 1 control unit 1m extension pipes water level valve 12v pump with dual mesh strainer and power supply ptfe tape manual made in united kingdom. This item is made of plastic.