Material: Crafted from 1.2mm thick aluminum alloy with a baked finish for durability and rust resistance. Design: Features louvered blades at a 45° angle to optimize airflow and a built-in mesh filter for dust capture. Function: Enhances air circulation in return air systems, suitable for various applications like wardrobes and bathrooms. Construction: and moistureproof with anti-oxidation properties for long-lasting use in different environments. Installation: Requires measuring the wall opening for proper and can be secured with screws (not included). This Louvered Access Panel with Return Air Filter Grille is expertly crafted from durable white ABS plastic, designed to provide efficient ventilation across a variety of settings. The innovative louvered design includes a removable and washable nylon filter, significantly improving air circulation while reducing dust buildup., Manufacturer: KXAOXGRC