14" x 14" - 2-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Aluminum High quality – high quality

High quality – high quality solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

Actual Filter Size – 7 3/4"w x 23 3/4" x 1"

Premium Airflow Efficiency - High-performance cube core eggcrate design allows 95% airflow efficiency

+ Product Details Size – 16" x 20" or 20" x 16" is the size for the duct opening measurement only

14" x 14" - 2-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Aluminum High quality – high quality+ 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