Fishtank Aquarium Cooling Fan System Multi-head Fans for Cooling Water Temperature Silent Aquarium Cooler Chiller Water Cooling Fan for Coral Reef Marine 冷水机鱼缸降温风扇 Adjust speed and Rotate angle direction to cool down fishtank temperature

For small or middle or big aquarium tank. Silent and quiet operating. Easy to partner with aquarium tank. Hanging way design, safe and secure. More kinds speed adjustable type, easy to adjust the speed of cooling fan. Cooling fans to make Air Circulating to reduce 2-4 degrees. Comfortable, Humanistic High-performing. 1)Product Specifications: 1. Item: Brand New Aquarium Tank Fans. 2. Model: Multi-fans Side fans Top fans. 3. Voltage: AC100V-240V. 4. Power Plug: Europe Plug Adapter(2 Round Pins). Attention: Please give 4~8 hours per day rest to the fan. Model: 3Generation Multi-fans. Type: 1fan 2fans 3fans 4fans. Power: 2.2W 4.3W 6.5W 8.6W. Size: 10.5x12.5x6.5cm 20x12.5x6.5cm 30x12.5x6.5cm 39x12.5x6.5cm. Suitable for fishtank wall thickness: 12mm or less than 12mm. Model: 1Generation Side fans. Type: Black White. Power: 2.2W 3.5W. Size: 3x12x6.5cm 3.5x15x9cm. Suitable for fishtank wall thickness: 3-5mm or 5-8mm, 8mm or less than 8mm. Model: 2Generation Top fans. Type: Black. Power: 1W. S