The GreyFlow™ | EZGREY™ (STANDARD) (Manual 100w) is suited for low-flow grey water diversions where average users of 1-3 people full time are in residence and there is slightly hilly ground for the irrigation discharge fields. Max Head 6.5M Max Flow 70 LPM (suited for land application areas that are flat with elevations no more than 1 meter)
The GreyFlow™ PS-AG-S4 (Automatic 400W) is suited for high flow grey water diversions where average users of 2 - 5 people full time are in residence and there is very hilly ground for the irrigation discharge fields. Max Head 21M Max Flow 180 LPM (suited for land application areas that are hilly to steep terrain with elevations no more than 3 meters)