The Easy2Grow self-watering planter’s internal AQUAvalve uses gravity to provide the right amount of water to roots in a natural wet/dry cycle, so no electricity is necessary. Gardeners simply fill the pots with their preferred growing medium, connect it to the included reservoir, and watch as the Easy2Grow system goes to work for up to four weeks! This Double Easy2Grow Kit includes two 8.5-liter square growing pots, two-pot tray and lid, instructions, and everything else your customers will need to 2Grow! Includes reseroir 47 liters.