Fantastic vents have long been the premium upgrade for vintage trailers.  They fit the standard 14" x 14" ventilation rough opening that has been used on travel trailers for many decades. 

The powerful yet compact Dometic Fan-Tastic Vent Model 3350 offers many premium features that will dramatically increase the comfort inside your vintage trailer. 

The model 3350 has the following features:

• 3-speed low/medium/high fan controled with a knob on the fan.
• Analog thermostat control on the fan with a simple turn of a knob.
• Motorized lift and lower dome with an override crank in case you lose power.
• Simple reverse switch changes the direction of the fan blades, drawing air in or out of the vehicle.
• Rain sensor that automatically closes the dome when wet, keeping you and your trailer interior dry!
• For true comfort and convenience, a built in thermostat to help you maintain your desired temperature.
• Impact resistant, UV stabilized materials for extended life.
• Easy to remove screen and fan blade for cleaning.