10" x 10" 3-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades 12" Diameter line-height: 1

line-height: 1

actual front end outer dimensions are approximately 34 5/8" width X 26 5/8" height

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actual front end outer dimensions are approximately 34 5/8" width X 8 5/8" height

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

10" x 10" 3-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades 12" Diameter line-height: 1+ Product Details Size 10" X 10" 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