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

+ Product Details Size - 24"w X 36"h is the size for the duct opening measurement only

75" Width X 13

+ Product Spec Sheet Floor Register Spec Sheet

actual front end outer dimensions are approximately 32 5/8" width X 12 5/8" height -

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