Aero-Flo Roof Vent Cover

Super high flow fresh air ventilation and a swing open design for easy cleaning. Innovative, attractive low-profile design has vents on three sides. 30% more open vent area than a traditional vent cover. More fresh air! Leave your vent open when you're away from your RV-rain or shine. Mounts almost effortlessly to existing 14 x 14 roof vents. Easy to follow instructions and all necessary hardware included. Made of UV stabilized resin for years of rugged use.