Ceiling Diffuser w/ 4 Way Grille Features:
Ceiling Grille
Max Ceiling Thickness - 9.25"
Required Hole Diameter - 9.25"
Less Restriction in Airstream
Aerodynamic Leading Edges
High Effective free area
Plastic gives higher R Value
1 Piece heat resistant face plate, available with 2, 3, or 4 way blow
One size takes 6", 7", 8" flexible or rigid duct
Damper adjusts through face w/ flat blade screw driver
Easy tear-off tab to increase collar size
No metal parts except for screws
Screw heads are zinc plated & powder coated for maximum durability
Optional flanges for rough in & dropped ceiling available
Damper Mechanism incorporates anti-strip feature
No Condensation
Better Airflow
Less Noise
Scratch Resistant
No visible seams on corner
Formulated to resist yellowing from exposure to sun, heat or fluorescent lights
No rusting
No Assembly Required