6" x 6" 3-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades w30h30 + Product Details Size –

+ Product Details Size – 36"w X 10"h is the size for the duct opening measurement only

these airflow control components provide you with effortless control over your indoor environment

while the included installation screws make setup quick and hassle-free

+ Product Details Size - 25"w X 26"h is the size for the duct opening measurement only

6" x 6" 3-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades w30h30 + Product Details Size –+ 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