1Compact, efficient, long life motor, rustproof and corrosion resistant. Stainless steel shafts is suitable for fresh or salt water, and extra length for thicker transom. 2The housing is made of high?impact durable plastic, with water cooled long?life motors, extremely efficient, very low current draw and offer high capacity output. 3Ignition protection to prevent the pump from high current. With water/moisture tight seals, silent and vibrationless operation, anti?airlock protection. 4Equipped with a 1?1/8 inch 29mm 90 detachable straight pipe connector for the outlet, with a 360 rotation function, which can meet any angle requirement. 5Full submersible, ignition protection. High efficiency, low current motor, stainless steel motor shaft, quiet operation. Marine grade silicon enclosed, tinned wiring. 6Hidden vent holes in the valve body help prevent air blockage in harsh pipeline installations and help install check valves. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin