10" x 10" 2-WAY ALUMINUM BAR CEILING DIFFUSER - - HVAC Premium
16" Connection - 18.5" x 18.5" OD - 18g Stainless Steel Ceiling Air Diffuser Register
REV Diffuser - Adjustable Ceiling Diffuser for Improved Office Comfort
Ceiling Diffuser
Ceiling, 23 3/4 in H, Diffuser - 52CF01|STR-C-12BK - Grainger
Everbilt 6 in. x 6 in. 4 Way Square Ceiling Diffuser HA504 06X06 - The Home Depot
6 x 10 inch Vent Cover HVAC AC Ceiling Diffuser One Way Aluminum Curved Blade Adjustable Air Supply with Multi-Shutter Parallel Blade Damper. The Duct Hole Must Measure 6" x 10" to
Venti Air 12 in. x 12 in. Aluminum 3-Way Diffuser/Register/Grille for Air Supply HA3D12 - The Home Depot