Premium Airflow Efficiency - High-performance cube core eggcrate design allows 95% airflow efficiency
our damper helps create a well-balanced indoor environment
+ Product Details Size – 26"w X 26"h is the size for the duct opening measurement only
Universal Fit – With dimensions of 4-1/8" wide x 7-1/16" high x 2-1/8"
actual front end outer dimensions are 13" Width X 13" Height
14" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Return Premium Airflow Efficiency - High-performance+ Product Details Size 14"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 875" width X 14" height. High Quality High quality steel construction, no scuff powder coat durable finish, smooth, shiny, scratch resistant, no sharp edges, 2 recessed screw holes on each side with screws included, screws same color as vent cover, easy installation. Adjustable airflow control Adjustable airflow