Features: Optimized airflow and energy efficiency: This return air grille ensures balanced ventilation for hvac systems and whole house fans, preventing hot or cold spots. Improve indoor air quality and energy efficiency by allowing seamless airflow between rooms, even with doors closed. Easy to clean: The easy-to-clean surface and durable construction ensure long-lasting performance and minimal maintenance. Its versatile design and neutral white finish make it suitable for a wide range of residential and commercial applications. Specifications: Material: aluminum alloy, galvanized sheet and kraft paper Color: white and black Size: approx. 14 x 8 inches/ 35 x 20cm Package includes: 2 x ZAP galvanized steel frames 2 x Aluminum alloy interior grilles 1 x Light and sound mitigating baffle Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Small parts included, please keep them away from little kids to avoid swallowing risk