Features: Enhances air circulation with this high efficiency marine vent cover, crafted from corrosion resistant plastic for superior ventilation and long lasting durability in harsh marine environments. Its waterproof structure and debris blocking design prevent clogs while maintaining drainage performances for boats, yachts, and outdoor marine equipment. Designed for boat owners, marine enthusiasts, and fishing professional requiring reliable protection against seawater corrosion and drainage system failures. Essential for deck drainage on sailboats, engine compartments of motor yachts, or outdoor docks exposing to rain and saltwater conditions. Engineered with universal fittings for hassle free installation across multiple vessel types, ensuring seamless airflows management and reduced maintenance efforts. Specifications: Material: Plastic Dimensions: about. 7.4x14.8cm/2.91x5.83in Color: White/Black Package Includes: 1pc Marine Cable Vent Cover note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.