6" x 6" 4-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades 1-Way actual front end outer dimensions

actual front end outer dimensions are approximately 13

and durability

Actual Filter Size – 31 3/4"w x 27 3/4" x 1"

+ Product Details Size – 6" x 24" or 24" x 6" is the size for the duct opening measurement only

6" x 6" 4-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades 1-Way actual front end outer dimensions+ 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