Goulds Water Technology (GWT), a Xylem brand, has introduced the highly efficient e-GS 4” high-capacity borehole pump, specifically designed for use in 4-inch and larger wells.

Source:: http://www.wateronline.com/doc/goulds-water-technology-introduces-borehole-pump-0001?atc~c=771+s=773+r=001+l=a