VOONLINE Dual-Head Aquarium Cooling Fan

The VOONLINE Aquarium Cooling Fan Dual Control Upgraded Version provides reliable water temperature reduction for freshwater and marine aquariums. Designed with dual fan heads, it helps lower water temperature by 2 to 4 degrees depending on the ambient room environment. The unit operates on a safe DC 12V output with an energy-efficient 3.8W power draw. It features five adjustable speed levels and flexible timer modes including 0.5, 1, 2, 4, 12 hours, and continuous operation. Designed to clamp securely onto aquarium walls with a thickness of 5mm to 15mm.