Eheim pumps have superior quality ; ceramic shaft, ceramic and carbon bearing.  These pumps are suitable for use in or out of fresh or salt water.  These pumps are nearly silent and have low energy consumption.  

Eheim 1048 Universal Pump:

•Pump Output: 158 gph
•Delivery Head: 4`11"
•Power Consumption: 10 W (120V/60Hz)
•Hose Connection (Suction Side): 1/2"
•Hose Connection (Pressure Side): 1/2"
•Dimensions: 5.8" x 3.0" x 4.7"
•Weight: 2.0 lbs