6" x 6" 4-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades 1-Way See chart below:

See chart below:

+ Product Details Size – 14"w X 6"h is the size for the duct opening measurement only

and durability

+ Product Details Size - 24"w X 12"h X 2"d (for duct opening measurement only)

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

6" x 6" 4-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades 1-Way See chart below:+ Product Details Size 6" X 6" 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