DEMONSTRATIVE VIDEOS IN THE FOLLOWING LINK.

https://www.youtube.com/watch?v=L1tFPZe5IMA

https://youtu.be/KhfjUX_i6kU

12V DC DUAL REVERSIBLE ROOF WINDOW FAN FOR CAMPER VAN OR MOTORHOME
TTC-SC21/V2
The double multi-use roof window fan is equipped with the exclusive SUPER SILENT fan with nine blades from the PRESTIGIOUS BRAND TITAN, it produces a reversible air flow to ventilate and cool various spaces, such as motorhomes, caravans, campers, travel trucks, houses , cabinets, etc

With a stepless fan panel and 6-level speed adjustment, it's easy to change the direction of the flow, draw in or out the cool air, and select the comfort speed to your liking.

They allow rapid heat transfer and ventilate circulation. With 12V DC power and 280CMF airflow amount, this roof window fan can increase the flow efficiency of the room, toilet and kitchen in your motorhome more than 80%.

In addition, the roof window can be closed or opened without removing the double fan. The thickness of the fan is only 34mm, it can fit into the ceiling window gap without disassembling.

CHARACTERISTICS
UNIVERSALLY SUITS ALL MAKES FROM 380-550MM ROOF WINDOWS
Ideal for all 380-550mm roof vent windows for caravan, motorhome, travel trailer or truck
FIT FOR WINDOW FILTERS
The roof window can be closed or opened without removing the double fan
REVERSIBLE AIRFLOW DIRECTION
Manually reversing the airflow direction design, allowing hot air to be exhausted from inside and cool air to be drawn from outside.
QUICKLY TRANSFER HEAT AND REGULATE CIRCULATION
Equipped with strong 280 CFM airflow by two 140mm fans, it can quickly expel hot air to regulate and improve indoor ventilation.

6 LEVELS OF SPEED CONTROL
With the stapleless panel, easily monitor and balance cooling performance and quiet operation.
SILENT OPERATION - TITAN 9-BREAD
Take TITAN 9-blade professional silent fan, this multi-purpose fan or ventilation fan gives you the quietest operating experience without being disturbed
APPLICATION
Motorhome / Campervan Roof Window Ventilator
Motorhome / RV Bathroom Window Fan
DIY Ventilation Fan
cabinet fan

SPECIFICATION
Total dimension of the set (minimum measurements to install) 33 x17.8 x3.4cm

Total dimension of the set (maximum measurements with extended supports to install) 56 x17.8 x3.4cm

Fan Dimension: 140 x140 x25mm*2

Rated voltage: 12V DC

Rated current: 1A

Power Consumption: 12W

Rated Speed: 600-~2200 RPM

Airflow: 280 CFM

Static Pressure: 1.0 inches H₂O

Noise level: 32 dBA

Bearing Type: Z-Axis

Life time: 60,000 hours

Wire length: 6M