About This

304 Stainless Steel Construction：Made from solid 304 stainless steel for long-lasting durability and dependable performance in various weather conditions. Measure your duct opening before ordering—the listed dimensions (W x H) refer to the required opening size for proper fitting
Manual Adjustable Blades：Equipped with manually operated blades that can be opened for improved ventilation or closed to help block rain, snow, and debris when needed
Weather-Resistant Design：Helps prevent rain and snow from entering while supporting consistent airflow. The recessed, low-profile frame sits flush against walls, ceilings, or floors for a clean installation. for for concealing ducts, pipes, or cables in homes, offices, garages, and basements
Multiple Size Options：Available in a range of standard sizes from 300×300 mm (12"×12") to 600×600 mm (24"×24"). Choose the size that matches your existing opening from the provided options
Simple Wall-Mount Installation：Designed for easy wall-mounted installation using common tools. Offers reliable airflow control and added protection from outdoor elements through manual adjustment