Ideal for general purpose use. Can be converted to side or transom mounted pump with model #66 adapter. Can also be used as livewell/baitwell recirculating pump. Features low amp draw, miniaturized to fit restricted areas, permanent magnet motor, stainless steel shaft, ultrasonically welded housing for extra strength and elimination of leaks. Measures 3-1/2" high, 2-1/4" wide. No switch adapter. Uses 3/4" hose #81 and 3/4" thru-hull fitting models 61 or 61S. Use automatic switch 35, 37, 39, 35F or 37F. Discription: Non-Automatic, 12 volts.