MEASURE DUCT OPENING FIRST: For a 28" x 6" duct hole, ensure a precise fit by measuring your ceiling or sidewall opening. The visible face measures 29.6" x 7.6", providing a seamless, decorative air return vent cover for consistent airflow. NO MOVABLE PARTS: Featuring fixed blades at a 38° angle, this vent cover ensures stable, consistent airflow without adjustable fins, louvers, or filters, making it ideal for air grills and HVAC return air applications. INDOOR USE ONLY: Designed exclusively for ceiling or wall installations, this air return grill is not suitable for floor or exterior applications, ensuring efficient performance in crawlspaces, interior doors, and home air vent systems. DURABLE ALUMINUM CONSTRUCTION: Crafted from high-quality extruded AA6063 aluminum, this vent cover offers strength, weather resistance, and long-lasting durability, ideal for HVAC systems and cold air diffusers in homes. STYLISH SEMI-MATTE FINISH: Coated with a scratch-resistant electrostatic white coating, this decorative ceiling vent cover complements various home styles while providing an easy-to-clean, contemporary air vent cover solution. Maximize airflow in your home with the ACLAMINAIRE Aluminum Return Air Vent Cover. Designed for efficiency, this vent cover is a versatile option for ceiling, wall, and crawl space installations. Whether used in a home, office, or other spaces, this decorative vent cover offers a polished finish that complements various interior styles. Crafted from high-quality, rustproof aluminum, the ACLAMINAIRE vent cover ensures durability and long-lasting performance. The non-adjustable fins are positioned at a 38° angle, providing consistent airflow without the need for moving parts, louvers, or filters. This design helps maintain steady air circulation, making it ideal for use in HVAC systems or as a return air vent cover. Built to fit neatly within standard wall and ceiling openings, the ACLAMINAIRE vent cover creates a finished look and functions well in many environments. It’s suitable for installation in crawl spaces, on interior doors, or in any room that requires proper air circulation, making it a solid solution for maintaining steady airflow across your space. The vent cover is finished with a semi-matte white electrostatic coating, providing a smooth, scratch-resistant surface that is easy to maintain. This finish resists wear over time, ensuring the vent cover retains its appearance and continues to perform well. Its straightforward design suits a wide range of décor styles, whether in a home, office, or other indoor setting. Installation is simple, making the vent cover an easy addition to your space. Exclusively intended for indoor use, the ACLAMINAIRE Aluminum Return Air Vent Cover delivers both function and style to any room. Keep your space well-ventilated and maintain a cohesive look with this high-quality, durable vent cover that complements any interior.