2. The opening size: 118 mm Φ (extension tube can use hose diameter is 120 mm or 110 mm PVC tube)
3. Outside: height: 53mm.
4. Installation thickness: 80-160mm adjustable.
5. Wiring: red line (+);The black line is negative.
6. Eco-friendly and harmless to human body.

Specification:
Product name: 12V Volt RV Roof Air Vent Fan;
Color: white;
Voltage: 12V;
Speed: 1800 RPM;
Air volume: 60CFM

Package included:
1 x 12V RV roof ventilation fan

Notes:
1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2.Please allow slight manual measurement deviation for the data.