Pressure storage tank-4.3 gallons pressure drop The inflation pressure matches the cut-off pressure of the pump, and the inflation pressure can be separated from the system water pressure by using a rubber bladder to prevent water accumulation. The storage tank can be installed in any position behind the pump, or in any position in the cold water pipeline. The PST tank can be used for fresh water or salt water. Contains installation hardware. PST-6 has a pump stand for mounting PJR, WSC-60 or WSC-80 pumps. Specifications: Diameter: 15 "Installation: Bracket 30/50 Pressure Drop: 4.3 Gallon Thread NPT: 3/4" Specifications: UPC: 742985062917