The General Hydroponics AeroFlo2 system comes complete with everything needed to start growing! This effective system is known for its legendary growth and yield rates because of its hallmark growing system. AeroFlo2® super-oxygenates the nutrient solution to deliver oxygen, water and nutrient in ideal combinations, creating a root zone environment that surpasses anything found in nature.The results are larger yields, stronger more resistant plants. Noteworthy specifications include Flora Series nutrients, Hydroton®, net cups, coco cup liners, pump (except 60 extension), support structure and manifold. This AF18 also uses the new WaterPower pump,17 gal Hex Pot Reservoir and 4 ft chambers. Gain more nutrients with less nutrient maintenance! Additional AeroFlo units available.