Oaoaii Mini Aquarium Cooling Fan – Adjustable Speed, USB 5V

Description

Beat intense summer heat with the Oaoaii Mini Aquarium Cooling Fan. Designed specifically for nano and small fish tanks (up to 17.5 inches / ~45 cm), this compact chiller requires no assembly and clips onto the rim of your tank for instant, effective cooling.

• Effective cooling: Reduces water temperature by 4–6°F (approximately 2–3°C) through evaporative cooling
• Two adjustable wind speeds: Choose the right airflow level for your tank size and ambient conditions
• Ultra-quiet turbo design: Engineered to reduce noise by up to 30% compared to standard fans
• USB 5V powered: Works with any USB adapter, power bank, or phone charger — no special wiring needed
• Safe hanging design: Clips securely to tanks with 3–8 mm glass thickness
• Low power consumption: Energy-efficient and economical to run 24/7

summers can push aquarium temperatures dangerously high, stressing or killing tropical fish. This mini fan is an affordable, practical solution for hobbyists who want to protect their fish without investing in a full chiller unit. Ideal for shrimp tanks, Betta setups, and small planted aquariums.