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

+ Product Details Size – 25"w X 12"h is the size for the duct opening measurement only

75"H – fits a 20" X 20" duct opening

+ Product Details Size - 36"w X 26"h is the size for the duct opening measurement only

Equipped with a lever for easy airflow adjustment and dampening

this guard ensures long-lasting protection and security

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