14" x 14" - 2-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover w12h12 Ideal for both residential and

Ideal for both residential and commercial environments

+ Product Details Size - 18"w X 22"h is the size for the duct opening measurement only

Design – rigid gauge built for durability and long life in mind

Marked circles for cutout

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14" x 14" - 2-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover w12h12 Ideal for both residential and+ 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