Product details:

UNIVERSAL RV VENTILATION SYSTEM: The Starvent Roof Vent and Fan allows for airflow within your motorhome, letting out smoke, moisture, and odors and cooling your space. Compatible with a 1.16– 5.5 roof, it fits standard 14x14 ceiling openings 6-SPEEDS: The 12 volt variable-speed fan has six settings to boost or reduce airflow as needed with a reversible blade rotation to either pull air in or push it out IMPROVED DESIGN: This exhaust system keeps your camper fresh and bright with transparent fan blades that bring sunlight in and a white-colored dome that filters out sun's. It is easy to open and close the dome and includes a removable screen easy for cleaning or maintenance LOW NOISE LEVEL: The Starvent trailer exhaust fan and vent is powerful and quiet, unlike other RV fan motors. It slowly ramps up to speed and down, so there's no sudden jolt of sound when starting and stopping EASY TO INSTALL: The intuitive 2-wire design and included white interior trim and screws make installation clean, simple, and quick

• EASY TO INSTALL: The intuitive 2-wire design and included white interior trim and screws make installation clean, simple, and quick.
• This powerful, yet quiet 6-speed ventilation system moves the airflow through your rig, so your space stays cool, even on the hottest days.