6" x 6" 3-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades w30h30 actual front end outer dimensions

actual front end outer dimensions are approximately 30 5/8" width X 36 5/8" height

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

All of these grills have dampers

+ 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

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