10" x 10" 3-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades 8" Diameter Actual Filter Size – 29

Actual Filter Size – 29 3/4"w x 25 3/4" x 1"

75"H – fits a 20" X 20" duct opening

+ Product Details Size - 6"w X 6"h X 2"d (for duct opening measurement only)

+ Product Details Size - 4"w X 36"h is the size for the duct opening measurement only

10" x 10" 3-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades 8" Diameter Actual Filter Size – 29+ Product Details Size 10" X 10" 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