12 VDC DIAPHRAGM PUMP Brand new, SHURFLO model 2088-394-144 automatic demand diaphragm pump. Ideal for spot sprayers, bulk transfer, fertilizer drip applications or as replacement on existing equipment. Santoprene diaphragm and Viton valves. Automatic shut off switch set to 45 PSI. Pump turns on between 15 and 20 PSI less than the set shut off pressure. Self priming to 12 ft. Can run dry intermittently without damage. Grounded 6'' power cord. Rubber vibration damper mounting feet. Metal fittings or rigid pipe are not recommended for plumbing.