Description
12" x 12" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 3 Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 15" x 15"] steel Airflow – Easy unrestricted airflow MFRG2420W HP Airflow – Easy unrestricted airflow for your HVAC system Achieve superior control over your indoor airflow for a more comfortable space Always measure the actual opening in your ceiling or wall accordion title { font size: 18px