The Flo-n-Gro™ complete system comes with a 55 gallon food grade reservoir, twelve (12) 4 gallon grow sites and twelve (12) 3 gallon 360˚ mesh aeration inserts. These mesh inserts promote lateral root growth and better aeration for the root zone. The complete system features Titan Controls® Oceanus 1 - Flo-n-Gro™ controller. The kit includes tubing and fittings to hook up the system. The 3/4" tubing and fill lines improve water exchange and flow rates. Also included are two (2) dependable Maxi-Jet 1000 pumps. Easy to use and simple to understand, you can set up the complete system and be growing in one hour!