【Versatile Applications of IP44 Waterproof Fans】 Suitable for various applications, including home sinks, camping refrigerators, cultivation tanks, and more.【IP44 Standard Proven】 Effectively blocks solid objects with a diameter greater than 1mm and provides reliable splash protection for up to 5 minutes.【Advance IP44 Production Process】 Soak the motor in insulation oil and diluent for 5 seconds, air dry for 8 hours, then apply UV adhesive and cure with UV light for enhanced waterproofing and durability.【3Pin with Frequency Generator】 Equipped with an Frequency Generator, which provides real-time response on whether the fan is operating normally and its operational status.【SPECIFICATIONS】 Dimensions: 80mm * 80mm * 25mm； Cable Length: 410mm INPUT VOLTAGE: DC 12V; Bearing: Hydraulic Bearing; Speed: 3500±10% RPM; Airflow: 40.41 - 44.90 CFM; Air Pressure: 5.06 mmH2O; Noise: 44 dB(A).【Package Contents】 2 × 80mm Cooling Fan;2 × Spiral Fan Guards;8 × Mountion Screws.