Features: 100% Brand New And High Quality ！！！ In Stock And Shipped Quickly。 -Made of high-quality ABS, it is high in strength, not easy to break, corrosion-resistant and durable. -The waterproof process can ensure a good sealing effect, making it safer and more reliable to use. -It has a higher air flow rate than ordinary fans, ensuring rapid air circulation and improving air quality. -Easy to install, can be installed vertically or horizontally. -Suitable for yachts, engine rooms, passages, buildings, RVs, etc. Specification: .