About this 3D model

This is a parametric version of an airlift valve for hydroponic and aquaponic systems like Window Farms[tm]. This model can be used as a parametric replacement to the airlift valve mentioned in the ancestry. Tube size and connection point can be configured. License is restricted to the terms of the CC-BY-SA as per the original work. You may also consider to use T-valves as in the following example instead: http://our.windowfarms.org/2011/11/16/t-valve-airlift/