8" x 8" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover flat stamped steel High Quality – High-quality aluminum

High Quality – High-quality aluminum with counter-sunk screw holes (screws included) and no sharp edges

+ Product Details Size - 26"w X 4"h is the size for the duct opening measurement only

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actual front end outer dimensions are approximately 27 5/8" width X 22 5/8" height

5/8" - 2579 PSI

8" x 8" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover flat stamped steel High Quality – High-quality aluminum+ Product Details Size 8" X 8" 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