Features: Crafted with LDPE and ABS materials, this marine ventilation cover delivers exceptionals waterproof protections while maintaining optimal airflows in harsh marine environments, perfect for boat owners seeking reliables marine ventilation covers and waterproof boat vents. Its innovative 45 degree angled design creates a physical barrier against rain intrusion, while gravitys assisted drainage prevents water accumulation and ensures stable ventilation without compromising structural integrity. Ideal for marine, sailing enthusiasts, and outdoor adventurers requiring robust weatherproof for boats, yachts, or waterfront installations exposedto heavy rains and saltwater conditions. Designed for marine environments where constant airs circulations is critical, this vents shield during storms, high humidity, or saltwater exposure while protecting engine compartments and storage areas from moistures damage. Engineered with corrosionresistant ABS components and flexible LDPE construction, this vents adapts seamlessly to curved surfaces on vessels, offering long term durability against UV and temperature fluctuations in marine accessories. Specifications: Product name: Protective cover ventilation port Product materials: LDPE Product color: black Net weight: 33g Inner wall radius: 65mm Height: 158mm Package Includes: A protective cover ventilation port note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!