The RainForest® 66 is a favorite among users who wish to grow medium to large size plants. Vortex® Sprayer lifts and oxygenates the nutrient solution and then gently distributes it over cuttings' bases or root systems. This system includes: 17 gallon reservoir with lid, six - 6 in lid inserts, Vortex® Sprayer, 6 in plastic cups and 3-Part Flora Kit.