1. STAINLESS STEEL CONSTRUCTION: Made of high quality 304 stainless steel, this air vent grille provides exceptional rust and deterioration resistance even in harsh weather conditions. The silver finish adds a sleek, modern touch to any installation while maintaining its appearance over time, making it a reliable choice for long term ventilation solutions in any environment. 2. Protective Mesh Design: The built in fine mesh effectively blocks insects, leaves, dirt and other unwanted elements from entering your ventilation system while ensuring optimal airflow. This protective barrier prevents pests from entering your home through ducts, keeping your indoor air clean and your ventilation system working properly. 3. WATER RESISTANT FEATURES: Specially designed with removable slats and a round rear connector, this grid effectively blocks rainwater from flowing back into your ducts. The innovative baffle system allows air to circulate ly and dissipates water, perfect for outdoor applications where weather protection is essential. 4. VERSATILE SIZE OPTIONS: Available in three convenient sizes (100mm, 125mm and 150mm diameter). This vent grille fits standard duct dimensions for bathrooms, kitchens, laundry rooms and more. The adaptable design ensures compatibility with most popular ventilation systems, making it an excellent choice for installations and replacements.