Fimco  High-Flo  Sprayer Pump  4.5 gpm *Sub Brand: High-Flo *Capacity: 4.5 gal. *Product Type: Sprayer Pump *12 volt Diaphragm Pump *Maximum Pressure: 60 PSI *11 amp draw  *Do not use with flammable or combustible fluids  *Each pump has aninternal fan which cools the pump during operation by up to 50% *Motor windings have been increased to help dissipate heat