Reliance Water Systems 20 gal Pre-Charged Vertical Pressure Well Tank

20 gallon free standing vertical pre charged diaphragm pump tank, steel shell with powder coated exterior and zinc phosphate undercoat for maximum corrosion resistance, epoxy powder coated inner shell protects water reservoir, strong butyl rubber parabolic diaphragm delivers dependable service, positive lock retention system, quality controlled compression in the diaphragm connection eliminates loss of air or water leaks in the tank, metal air charge valve conveniently located and resistant to mechanical damage.