8" x 8" 3-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades Copper Coil-Insulated Line Set + Product Details Size -

+ Product Details Size - 14" X 14" is the size for the duct opening measurement only

+ Product Details Size - 10"w X 30"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 10 5/8" width X 12 5/8" height

+ Product Details Size - 18"w X 24"h is the size for the duct opening measurement only

Both lines taped together every 18in for easier handling & installation

8" x 8" 3-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades Copper Coil-Insulated Line Set + 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