1.Weatherproof Made of ABS plastic, the 10.2 cm dryer vent cover ensures lasting performance and the ability to withstand various weather conditions. This vent cover is designed to effectively protect your HVAC system, offering durability and reliability. 2.Efficient Ventilation Featuring a louvered design and mesh screen, this exterior wall vent promotes efficient airflow and prevents clogs. It is designed to optimize ventilation in your kitchen, bathroom, or outdoor space, ensuring a fresh and clean environment. 3.Easy Installation Our white vent cover is designed for hassle installation. Simply attach it to the 100 mm exterior wall vent hose using the included kit, and it's ready to use. No need for complicated tools or professional assistance. 4.Functional Design Sized at 10.2 cm, this vent cover is specifically designed for dryer ventilation, ensuring compatibility and efficient air circulation. The louvered grill effectively keeps out unwanted pests, debris, and small animals while allowing air to flow .