8" x 8" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Color_R-4.2 Yellow + Product Details Size –

+ Product Details Size – 24"w X 24"h is the drop ceiling HVAC supply grille size - for T-Bar lay-in

For a visual guide on how to measure your vent hole before ordering a grille

+ Product Details Size - 10"w X 10"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are approximately 32 5/8" width X 22 5/8" height

The process is intuitive: simply select the appropriate ceiling square for your grill

8" x 8" - 1-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Color_R-4.2 Yellow + Product Details Size –+ 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