6" x 6" - Corner Direction Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Insulated Line Actual Filter Size – 27

Actual Filter Size – 27 3/4"w x 11 3/4" x 1"

Design – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%

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

+ Product Details Size – 25"w X 16"h is the size for the duct opening measurement only

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6" x 6" - Corner Direction Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Insulated Line Actual Filter Size – 27+ Product Details Size 6" X 6" 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 never