RV Window Deflector RV Window Rain Guard,Sun Visor Deflector for RV Sliding Windows Compatibility: The RV window rain visor deflector(27” ID, 30” OD) offer a range of sizes to fit 24 inch wide RV window, perfect for most RV sliding windows/RV vertical windows/RV horizontal sliding windows or other camper/travel trailer/cargo van/camper van sliding windows. High quality: Outdoor RV window rain cover are made of a rugged, UV blended acrylic for all weather conditions, rainproof and impact-resistant. Effectively prevents dirt rainwater from getting when it rains or when the air conditioner is overloaded, reducing the need for RV camper cleaning. RV window rain guard: The RV window blade deflector plus an extra RV window protection, keeping out the rain drops, protecting you from hot sun, no need to worry about rain water into RV camper or hot noonday sun via the window screen. Better RV ventilation: The RV camper window rain deflector allows open the enclosed RV windows a little bit, even when it’s raining also can let enough air entering in to keep your breathing healthy and your mood happy, providing a better RV travel experience. Warm tips: Pls choose the correct rain guard for RV window size. Pls do not drive or wash the car within 48 hours of installation. Pls install the RV window rain deflector on a flat surface, not a curved or incline surface.