6" x 6" 4-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades w6h6 Actual Filter Size – 11

Actual Filter Size – 11 3/4"w x 27 3/4" x 1"

+ Product Details Size - 6"w X 4"h is the size for the duct opening measurement only

+ Product Details Size - 30"w X 32"h is the size for the duct opening measurement only

Size - 10"w X 10"h 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 w6h6 Actual Filter Size – 11+ 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