Oase OptiMax 500 water pump - 500lph sump return pump

Features & Benefits:

• Multi functional: Ideal for efficient water circulation or for operating an aquarium filter 
  
• Reliable: Extremely powerful and reliable in continuous use
  
• Area of application: The aquarium pumps can be positioned both above and below water
  
• Adjustable: The water flow rate can be easily and continuously adjusted
  
• Excellent energy balance: Low power consumption with high pump output
  
• Tough: Quiet and robust
  
• Practical: Four suction holders for mounting