Dometic Corporation offer Ultra Breeze roof vent covers with airfoil technology that blocks rain while keeping a constant airflow in your RV.
Fits 14"L x 14"W Vents (Ideal For Fan-Tastic Roof Vent Models)
Installs Easily Without Drilling (Hardware Included)
High Density UV-Stable Polyethylene
Limited 3-Year Manufacture Warranty