The MaxxFan Deluxe is the first-ever all-in-one RV vent fan with automatic rain protection. The unique patented rain shield protects your RV's interior in any weather. Operate the fan with lid closed in ceiling fan mode. Just rotate four retaining knobs to remove the interior insect screen for easy cleaning with no tools required.• Provides over 900 CFM to keep your cool and comfortable• Ceiling fan mode operates with lid closed to circulate air• Locking knob ensures vent lid stays fully open or closed• Flush-mounted, easy-to-clean keypad controls fan speed, air intake, and exhaust• Powerful 10-speed motor• Easy-to-use controller• Fits standard 14" x 14" vent opening Interior insect screen is easily removed for cleaning Provides over 900 CFM to keep you cool & comfortable Flush-mounted keypad controls fan speed, air intake, & exhaust | Maxxair MaxxFan Deluxe Manual-Opening RV Ventilator System, Smoke Lid