14" x 14" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Adjustable Return actual front end outer dimensions

actual front end outer dimensions are 19" Width X 13" Height

+ Product Details Size - 36"w X 30"h is the size for the duct opening measurement only

85" width X 25

actual front end outer dimensions are approximately 38 5/8" width X 20 5/8" height -

14" x 14" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Adjustable Return actual front end outer dimensions+ Product Details Size 14" X 14" is the size for the duct opening measurement only, actual front end outer dimensions are 3". Design Equipped with lever for full airflow control; back blades made of black plastic for reduced air noise and discreet appearance; "Opposing" back blades, ensuring they don't overlap, provide precise damper control and superior air dispersion. High Quality Aluminum The premium durable aluminum will never rust and it will