Large cooling block enhances water contact for quicker temperature reduction. High-end refrigeration module offers superior power and durability. Experience efficient and rapid cooling with our Thermoelectric Cooler, specifically designed for fish tanks. Four hollow copper pipes filled with refrigerant accelerate heat dissipation and boost cooling efficiency. Available in two power options, 180W for 40L fish tanks, promoting the health, growth, and reproduction of your ornamental fish., Manufacturer: Jnchdghwa