Enhanced ventilation for RVs: This vent hood ensures optimal air circulation while preventing rainwater and dirt from entering. It helps keep the living area inside your motorhome cool and comfortable. Fits standard skylight size 35.6 x 35.6 cm: Replacement compatible with most caravans, motorhomes, and recreational vehicles that use this common skylight dimension. Durable construction: Made from plastic with reinforced metal. UV resistant, waterproof, and robust for long service life. Windmill ventilation hood: A sturdy and efficient hood designed to improve the ventilation performance of your motorhome. Use scenarios: - Hot weather cooling: Install to promote airflow in the living area and reduce heat buildup during sunny days. - Rainy or damp days: Ventilate while the design helps prevent rainwater from entering the vehicle interior. - Replacement or retrofits: Ideal upgrade or replacement for worn or damaged skylight vents on most caravans, motorhomes, and RVs with the 35.6 x 35.6 cm skylight.