Maxxair 00-05100K MaxxFan Ventillation Fan with White Lid and Manual Opening Keypad Control

It has controls at ceiling Thermostat Built-in Rain shield 10 fan speeds; Intake and exhaust MaxxFan, a new, one-of-a kind ventilator system that protects your RV interior always in any weather rain or shine A complete all in one system that fits standard 14 inch x 14 inch Includes a powerful 3-speed fan Easy to remove interior insect screen, simply rotate four retaining knobs to remove for cleaning