14" x 14" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover return filter Universal Fit – Measures 3-7/8"

Universal Fit – Measures 3-7/8" wide x 3-1/2" high x 3" deep

actual front end outer dimensions are approximately 14 5/8" width X 18 5/8" height

+ Product Details Size - 18"w X 34"h is the size for the duct opening measurement only

easy unrestricted airflow

14" x 14" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover return filter Universal Fit – Measures 3-7/8"+ 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