Features:

• This thermoelectric cooler uses high-end refrigeration module which has high power and good durability.
• Cooling block has large area that can contact more water for quick cooling.
• Four hollow copper pipes with refrigerant inside would deliver heat fast for higher cooling efficiency.
• 120W is suitable for 30L fish tanks and 180W is suitable for 40L fish tank.
  
• It is energy saving and beneficial to the growth and reproduction of ornamental fish.