This vent covers is good for use in various settings, including marine vessels, RVs, and trailers. The louvered design allows for optimal airflow while preventing debris and water from entering. These vent covers are essential for maintaining proper ventilation in your boat or camper, ensuring a comfortable and healthy environment. Installation is straightforward, and the durable construction sure performance. Features -Color:Black -Material:Nylon -Size:14.10X7.90X1.40cm/5.54X3.10X0.55in -Enhanced airflow: the louvered design maximizes ventilation efficiency, ensuring a continuous flow of fresh air and preventing heat buildup in enclosed spaces -Improved comfort: by allowing fresh air to circulate, the vent window enhances the comfort of your living space, making your time in the cabin or rv more enjoyable -Multiscenario use: designed for use in cabins, rvs, and other environments, this vent meets diverse ventilation requirements, providing flexibility and convenience -Robust construction: built to last, the vent is made from durable materials that withstand wear and tear, ensuring reliable performance over time -easy installation: with a straightforward installation process, the vent window can be easily set up without the need for tools, simplifying the installation Package list: 5 pcs x 2pcs windows Vent Grille