RS Electrical Cooling Fan RS 331 – Efficient Aquarium Heat Management

Compact cooling solution for rimless aquariums under 30 cm in size, designed to prevent overheating and promote aquatic life health.

The RS 331 fan is built for simplicity and safety, running on a 5V power supply for low energy consumption and protection for both fish and user. It fits tanks with a maximum thickness of 12mm and is recommended for rimless glass aquariums only.

Usage Notes:

• Ensure tight placement on tank edge (rimless only)
• Monitor water levels as evaporation may increase due to cooling
• Maintain regular cleaning for optimal airflow

Benefits:

• Reduces water temperature for better fish health
• Compact and quiet fan unit
• Plug-and-play convenience with USB 5V input
• Designed for small rimless tanks

Specifications:

• Tank Compatibility: Rimless, up to 30 cm width
• Maximum Tank Thickness: 12mm
• Voltage: 5V (USB)
• Origin: China

Keywords: RS 331 Aquarium Fan, cooling fan for fish tank, rimless tank fan, RS Electrical fan, USB aquarium cooler