Flotec FP4312 1/2 HP Corrosion Resistant Convertible Jet Pump Can be used in shallow or deep well installation in 2-Inch wells or larger Ideal for shallow well applications with pumping levels to 25-Feet, and for deep well applications with pumping levels to 110-Feet Constructed of non-corrosive, rugged fiberglass-reinforced thermoplastic.MAXIMUM CAPACITY:9 GPM (shallow well setup) High resistance to sand and abrasive wear, assuring years of dependable service Built-in regulator is adjustable for best performance on all deep well applications