The AutoPot 16 Pot System with NO FLEXITANK is very versatile and is usable for almost any type of plant of any size. If you have your own reservoir, select this listing because it does not come with a FlexiTank reservoir. Because of the ingenuity of the AQUAvalve, the plant controls exactly how much water it needs and feeds itself! Whatever medium you choose, the AutoPot 16 Pot system caters for gardeners and growers of all abilities guaranteeing great results. The 16 Pot System is easily extended so many pots can be linked to a single reservoir. Once set up and the reservoir is filled with water & liquid feed, this adaptable, unfailing system will completely take care of all your plants needs with minimal monitoring. AutoPot Watering Systems require no power, pumps, mains water pressure or timers to operate. All AutoPot Watering Systems operate by simply connecting to a reservoir of any size and only need gravity pressure to function. AutoPot Watering Systems are undoubtedly some of the most water efficient irrigation’s in the hydroponic market. No water is wasted, resulting in huge water and fertilizer savings of up to 50%. This versatile system can be used in the home, greenhouse, poly-tunnel or garden to feed and water your plants and offers an easy and efficient watering system for all manner of crops whether edible or ornamental. Each AutoPot 16 Pot System contains: 1x ½” click-fit tank adaptor & filter, 26ft of ½” pipe, 2x ½” in-line tap, 1x ½” tee connector, 8x 1/2″ – 3/8″ cross connector, 16x 1Pot trays & lids, 16x 3.9 gallon pot, 16x AQUAvalve5, 26ft of 3/8″ pipe, 16x Root Control Disc.