Silent wall-mounted aquarium cooling fan ZY-FS-1, 2.5W, ABS, suitable for tanks ≤30cm

❄️ General Description This aquarium cooling fan is the quiet and elegant solution for maintaining optimal temperature in your small tanks (≤ 30 cm). Mounted externally on the wall, it takes up no internal space, quickly cools the water's surface thanks to its 45° angled airflow, and is perfectly suited to demanding aquarists. 📐 Technical Specifications Type: Aquarium Cooling Fan Material: High-strength ABS Dimensions: L 13 cm × W 7 cm × D 2.8 cm; top width 5.5 cm Power: 2.5 W Max. Airflow: 4.5 FCM Static Pressure: 0.35 mmH₂O Maximum Compatible Wall Thickness: ≤ 9 mm Power Supply: USB (integrated switch at the bottom) 🔧 Installation Quick and intuitive installation: simply attach it to the outside of your aquarium wall using the included wall mounting system. No tools or drilling required — ready in under a minute. ⚡ Operation: Turn it on using the switch on the bottom and adjust the speed as needed. Ideal for indoor aquariums sensitive to temperature increases — cooler water, calmer fish, and a preserved biological balance. 📦 Other information: Designed for continuous, quiet operation. Compatible with all standard aquariums up to 30 cm. The ZY-FS-1 combines discretion, robustness, and efficiency — without compromise.