The AutoPot 8 Pot XL System uses 6.6 gallon pots and is perfect for home or commercial growers. The 6.6 gallon pots allow you to grow monster plants! Utilizing the innovative of the AQUAvalve, your system will allow your plants to feed themselves whenever they want using nothing but gravity. No pumps, no timers and no electricity is needed to run the system. The AutoPot 8 Pot XL System is extremely versatile and can be used for a wide range of plant types and sizes. Seasonal flowering plants and perennial shrubs thrive and produce an abundance of blooms and foliage because of the unique action of the AQUAvalve, which is designed to allow the plant to go through a wet & dry cycle. The AutoPot 8 Pot XL System is easily extended so many pots can be linked to a single tank. Please see examples of typical layouts using 6mm pipe or 16mm pipe. The pots & trays can be easily moved at will, if the plants grow too large they can be spaced further apart with ease. Once set up and a tank is filled with water & liquid feed this extremely versatile system will completely take care of all your plants needs. All you need to do is remember to fill up your tank from time to time. Each AutoPot 8 Pot XL System contains: 1x 25 gallon FlexiTank 1x 1/2" click fit tank adapter and filter 1x 1/2" in-line tap 4x 1/2" - 3/8" cross connector 8x 1Pot XL trays & lids 8x 6.6 gallon pot 8x AQUAvalve5 13' of 3/8" pipe 13' of 1/2" pipe 8x Root Control Disc (round)