Built-in Screen Mesh: The HG Power 4 inch vent cover features a built-in screen mesh that allows fresh air to circulate while protecting your environment and enhancing your quality of life Premium Material: Constructed from high-quality ABS material, the soffit exhaust vent is both durable and easy to maintain, ensuring long-lasting performance Easy to Use: The 4 inch soffit vent's white panel is designed for easy detachment, providing convenient airflow adjustment to suit your needs Portable & Lightweight: With the option for wall or ceiling mounting, this portable and lightweight soffit vent cover is simple to install, making it an accessible solution for any space Versatile Application: HG Power round soffit vents provides effective ventilation solutions for room , promoting healthier and more comfortable indoor environments. The soffit vents exterior is designed specifically for use in attic, bedroom, and offices Specification: material: ABS size: 4 inch Ideal for vent pipes / hoses, bathroom vents & extractors, air conditioning units, kitchen fans & vents, all home wall vents, heat transfer and ventilation systems, gas & electric dryers, cooker hood extractors, as well as a wide variety of industrial uses.