Dometic (Fantastic) 801250 RV Trailer Roof Vent Model 1250 - Manual Lift
This Fan-Tastic Vent roof vent has a built-in 12V fan that circulates air inside your RV, camper, or enclosed trailer. Built-in hand knobs make it easy to open and close the dome, to adjust the fan speed, and to reverse the direction of airflow.
Ceiling Vent and Fan with 3 Speeds - Air out your RV after cooking or just draw in some fresh air while you sleep. Turn the speed knob on the vent housing to increase or decrease the fan speed. There are 3 speeds: low, medium, and high. This ceiling fan also allows you to control the direction of airflow with an additional knob.
Installation - This vent requires a 14-1/4" x 14-1/4" opening in your trailer's roof and ceiling. To replace an old vent, install this vent into the existing opening. If your roof does not already have a vent, you will need to mark and cut an opening between roof joists to install this unit. And the 2-wire design makes it easy to have your vent hooked up and ready for use. This fan does not come with installation components, see below for installation kit options.