1. Maximizes Airflow: RV air vent fan with five blade fan maximizes airflow and efficiency, sealed motor shaft for .2. Outstanding Performance: Low current draw, high volume air flowing, , long service life and smaller size for any limited area.3. Quiet Operation: 12V inline blower fan provide higher air flowing, can be installed on any flat surface, quieter operation than standard blowers.4. Product Detail: Front and rear shaft seals and resistant motor housings for long life, compact and convenient to use.5. Good Workmanship: Exquisite workmanship, beautiful appearance design, small and portable, providing you great using experience.Specification:Item Type: 3 Inch 12V Inline Blower Material: ABSVoltage: 12VAir Flow (cfm/cmh): 145/247Amperage: 2.9A: 4.0AColor: As Pictures ShownWeight: Approx. 445g / 15.7ozpacking list:1 x Inline Blower