With a 17-gallon reservoir and 18 plant sites, the AeroFlo² 18 site is perfect for those who want a compact, high performance system, particularly well-suited to growing lettuce, basil, and other small plants up to three feet in height. The AeroFlo 18 is sized 2' x 5' 2" This system includes: • 17 gallon reservoir • Three 4 ft. grow chambers • waterPower 120 pump • injection manifold • support structure • 3" grow cups • CocoTek Coco cups and Hydroton • 3 part Flora Kit