Complete Clear Flow Aquaponic System® – proven, science-based design includes fish tanks and all filter tanks, tank drains, the raft tanks and rafts (cut and drilled), hand-crafted cedar tank stands for all fish, filter and raft tanks (stand assembly required), water pump and plumbing, gate valves and true union ball valves, air blower, aeration system and air diffusers, fish net, starter supply of grow cubes.