400x100mm Vent Cover - Stainless Steel 16x4 inch Air Grille for Wall and Ceiling Metal Ventilation with Mesh Rectangular Register Indoor Ourdoor Use

Technical information: This wall vent cover is compatible with a duct opening of 14" x 2" inches. The outer dimensions of the air return grille are 40 cm wide x 10 cm high. For best results, measure your duct opening before selecting your grill. HIGH QUALITY MATERIALS - Saffit vent cover made of stainless steel. The AC return vent cover resists corrosion and is ideal for indoor and outdoor installations, providing reliable, long-term performance. Efficient air circulation: the return air grill enhances the HVAC efficiency by promoting a smooth and silent airflow throughout your entire space. Flat vent cover helps control moisture and blocks dust, smoke and odors, contributing to cleaner and healthier indoor air. 【HOME IMPROVEMENT】: Designed to resist scratches, discoloration, and peeling, these house wall ventilation covers maintain their clean appearance for years. Featuring an integrated fine mesh, the cold air return vent adds extra protection and is suitable for indoor and outdoor use. EASY INSTALLATION - Quick and easy installation on walls or ceilings with secure fixing screws (screws included). The return air vents are designed for hassle-free installation and user-friendly operation.