8" x 8" 3-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades 14" Diameter actual front end outer dimensions

actual front end outer dimensions are approximately 26 5/8" width X 24 5/8" height

This versatile diffuser is available in 1-way

actual front end outer dimensions are approximately 12 5/8" width X 12 5/8" height -

Energy Efficient – Air-tight inner core decreases the pressure loss and provides a more hygienic environment - high energy efficient / No fiberglass erosion into air stream

Measure the size of the air duct/drywall opening

8" x 8" 3-WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades 14" Diameter actual front end outer dimensions+ Product Details Size 8" X 8" 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