The 2088-313-145 Automatic Demand 12VDC Pump with Fin Cooled Motor is a dependable model ideal for spot, fertilizer, and agricultural spraying applications as well as mini-bulk transfers requiring maximum flow rates up to 3.6 GPM and pressures up to 40 PSI. Chemically resistant materials such as a Santoprene diaphragm and Viton valves facilitate the use of agricultural chemicals such as de-icing materials, liquid fertilizers, pesticides, and liquid fertilizers.