Duct Return Diffuser

OverviewThe square duct return diffuser is available in a variety of sizes to accommodate different room sizes and airflow requirements. Some common sizes include: 6x6 inches: This is the smallest size of square duct return diffuser and is typically used in small rooms or spaces with limited airflow needs. 9x9 inches: This size is suitable for medium-sized rooms and spaces with moderate airflow needs. 12x12 inches: This size is ideal for larger rooms and spaces with higher airflow needs. 15x15 inches: This size is typically used in larger commercial spaces or industrial settings. 18x18 inches: This is the largest size of square duct return diffuser and is generally used in large commercial or industrial spaces with high airflow needs. It's important to note that the size of the diffuser should be selected based on the size of the room and the airflow requirements. It's recommended to consult with HVAC professional or consulting engineer to select the right size and type of diffuser for a specific space. It's also important to mention that these sizes are just a reference and manufacturers may have different sizes available.